Naming and coding style convention, new linter tool. (#945)

* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide

applications/desktop/animations/views/bubble_animation_view.c

@@ -2,8 +2,8 @@
 #include "cmsis_os2.h"
 #include "../animation_manager.h"
 #include "../animation_storage.h"
-#include "furi-hal-delay.h"
-#include "furi-hal-resources.h"
+#include "furi_hal_delay.h"
+#include "furi_hal_resources.h"
 #include "furi/check.h"
 #include "furi/memmgr.h"
 #include "gui/canvas.h"