[FL-1217] Menu refactoring (#726)

* menu: remove dead code
* loader: change views from modules instead of menu service
* dolphin: start main menu with loader API
* applications: don't start menu service
* loader: add debug tools menu
* gui modules: introduce menu model
* loader: remove calls to menu service API
* gui modules: implement menu module
* loader: add menu view
* gui menu: add animation
* applications: remove menu service
* gui modules: rename icon_menu -> menu
* loader: clean up code
* menu module: add documentation, format code
* menu: remove unused parameter
* desktop: use loader to launch primary menu
* Applications: cleaner makefile app declaration. Loader: application autostart
* Gui: cleanup menu and submenu API.

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/desktop/desktop_i.h

@@ -2,7 +2,6 @@
 
 #include <furi.h>
 #include <furi-hal.h>
-#include <menu/menu.h>
 #include <gui/gui.h>
 #include <gui/view_dispatcher.h>
 #include <gui/scene_manager.h>
@@ -34,8 +33,6 @@ typedef enum {
 } DesktopViewEnum;
 
 struct Desktop {
-    // Menu
-    ValueMutex* menu_vm;
     // Scene
     FuriThread* scene_thread;
     // GUI