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

firmware/targets/f7/furi_hal/furi_hal_vibro.c

@@ -0,0 +1,14 @@
+#include <furi_hal_vibro.h>
+#include <furi_hal_gpio.h>
+
+#define TAG "FuriHalVibro"
+
+void furi_hal_vibro_init() {
+    hal_gpio_init(&vibro_gpio, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
+    hal_gpio_write(&vibro_gpio, false);
+    FURI_LOG_I(TAG, "Init OK");
+}
+
+void furi_hal_vibro_on(bool value) {
+    hal_gpio_write(&vibro_gpio, value);
+}