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/dialogs/dialogs.c

@@ -1,7 +1,7 @@
-#include "dialogs-i.h"
-#include "dialogs-api-lock.h"
-#include "dialogs-module-file-select.h"
-#include "dialogs-module-message.h"
+#include "dialogs_i.h"
+#include "dialogs_api_lock.h"
+#include "dialogs_module_file_select.h"
+#include "dialogs_module_message.h"
 
 static DialogsApp* dialogs_app_alloc() {
     DialogsApp* app = malloc(sizeof(DialogsApp));

applications/dialogs/dialogs_api.c

@@ -1,5 +1,5 @@
-#include "dialogs-i.h"
-#include "dialogs-api-lock.h"
+#include "dialogs_i.h"
+#include "dialogs_api_lock.h"
 
 /****************** File select ******************/
 

applications/dialogs/dialogs_i.h

@@ -1,7 +1,7 @@
 #pragma once
 #include "dialogs.h"
-#include "dialogs-message.h"
-#include "view-holder.h"
+#include "dialogs_message.h"
+#include "view_holder.h"
 
 #ifdef __cplusplus
 extern "C" {

applications/dialogs/dialogs_message.h

@@ -1,7 +1,7 @@
 #pragma once
 #include <furi.h>
-#include "dialogs-i.h"
-#include "dialogs-api-lock.h"
+#include "dialogs_i.h"
+#include "dialogs_api_lock.h"
 
 #ifdef __cplusplus
 extern "C" {

applications/dialogs/dialogs_module_file_select.c

@@ -1,5 +1,5 @@
-#include "dialogs-i.h"
-#include "dialogs-api-lock.h"
+#include "dialogs_i.h"
+#include "dialogs_api_lock.h"
 #include <gui/modules/file_select.h>
 
 typedef struct {

applications/dialogs/dialogs_module_file_select.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "dialogs-message.h"
+#include "dialogs_message.h"
 
 #ifdef __cplusplus
 extern "C" {

applications/dialogs/dialogs_module_message.c

@@ -1,5 +1,5 @@
-#include "dialogs-i.h"
-#include "dialogs-api-lock.h"
+#include "dialogs_i.h"
+#include "dialogs_api_lock.h"
 #include <gui/modules/dialog_ex.h>
 
 typedef struct {

applications/dialogs/dialogs_module_message.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "dialogs-message.h"
+#include "dialogs_message.h"
 
 #ifdef __cplusplus
 extern "C" {

applications/dialogs/view_holder.c

@@ -1,4 +1,4 @@
-#include "view-holder.h"
+#include "view_holder.h"
 #include <gui/view_i.h>
 
 #define TAG "ViewHolder"