Sublime project - add settings

buildroot/share/sublime/MarlinFirmware.sublime-project

 			],
 			"path": "../../.."
 		}
-	]
+	],
+	"settings":
+	{
+		"ensure_newline_at_eof_on_save": true,
+		"tab_size": 2,
+		"translate_tabs_to_spaces": true,
+		"trim_trailing_white_space_on_save": true
+	}
 }