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/irda/irda_app_view_manager.h

@@ -0,0 +1,59 @@
+#pragma once
+#include "gui/modules/button_menu.h"
+#include "gui/modules/text_input.h"
+#include <furi.h>
+#include <gui/view_dispatcher.h>
+#include <gui/modules/dialog_ex.h>
+#include <gui/modules/submenu.h>
+#include <gui/modules/popup.h>
+#include "irda_app.h"
+#include "view/irda_app_brut_view.h"
+#include "gui/modules/button_panel.h"
+
+class IrdaAppViewManager {
+public:
+    enum class ViewType : uint8_t {
+        DialogEx,
+        TextInput,
+        Submenu,
+        ButtonMenu,
+        ButtonPanel,
+        Popup,
+    };
+
+    IrdaAppViewManager();
+    ~IrdaAppViewManager();
+
+    void switch_to(ViewType type);
+
+    void receive_event(IrdaAppEvent* event);
+    void send_event(IrdaAppEvent* event);
+    void clear_events();
+
+    DialogEx* get_dialog_ex();
+    Submenu* get_submenu();
+    Popup* get_popup();
+    TextInput* get_text_input();
+    ButtonMenu* get_button_menu();
+    ButtonPanel* get_button_panel();
+    IrdaAppPopupBrut* get_popup_brut();
+
+    osMessageQueueId_t get_event_queue();
+
+    uint32_t previous_view_callback(void* context);
+
+private:
+    ViewDispatcher* view_dispatcher;
+    Gui* gui;
+    TextInput* text_input;
+    DialogEx* dialog_ex;
+    Submenu* submenu;
+    Popup* popup;
+    ButtonMenu* button_menu;
+    ButtonPanel* button_panel;
+    IrdaAppPopupBrut* popup_brut;
+
+    osMessageQueueId_t event_queue;
+
+    void add_view(ViewType view_type, View* view);
+};