Additional instructions for controller reverse options

Marlin/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/Felix/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/Felix/DUAL/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/Hephestos/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/Hephestos_2/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/K8200/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/RigidBot/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/SCARA/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/TAZ4/Configuration.h

 //
 #define ENCODER_STEPS_PER_MENU_ITEM 1
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/WITBOX/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/delta/biv2.5/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/delta/generic/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/makibox/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 //
 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
 //
 // This option reverses the encoder direction everywhere
 //