Default DAC values for RigidBoard V2

Updated CMakeLists

French translation : Added missing strings as well as missing accents

pinsDebug for 644/1284 & USB646/1286 families

added conditional compilation for PWMs 1C & 3C

add Teensyduino compatibility

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changes per review - minor formatting changes

1) remove non-printable character at the end of line 687

2) split a really long comment into two lines

3) got rid of some trailing spaces

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Made pinsDebug_Teensyduino.h the same between this PR and PR 5668 which
is for a re-written pinsDebug.h file.

The changes were:
1) added copyright @ GNU license header
2) a blank line crept in.

Allow enabling volumetric filament on config load

Fix M110 without leading N

Store N in the right variable.
This is too rarely used.

"mea culpa, mea culpa, mea maxima culpa"

Updates to some incorrectly ended strings in the Spanish translation

Update language_de.h

Small corrections

On last commit, some strings were ended with the incorrect character.
This fixes it.

Updates to Spanish language

Reset watchdog in SD init to prevent reboot

From "microseconds" to "milliseconds"

Add missing Spanish language definitions.

If the watchdog is enabled and bootscreen + SD card checks take too long, Marlin may hang at boot time because of the reset loop. We have this happen all the time with the Anet board if no SD card is inserted.

code_value_float tweak

Disable SD Detect for K8400

Correction to #5629

As a showcase function for how to do waiting in the lcd menu, this function should be preserved.

Fix empty Prepare menu

Use index macro instead of e

delay() is milliseconds

Better sanity check for FILAMENT_CHANGE_FEATURE, FILAMENT_RUNOUT_SCRIPT

Add missing Spanish language definitions.

Drop biv2.5 delta configurations

Define ADV_NEVER, ADV_RATE

Allow M600 when dryrun debugging

LIN_ADVANCE with unified stepper ISR

Add symbol-strings

Update language_de.h

Fix 5194

Suppress warning