[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/gui/modules/menu.h

@@ -0,0 +1,52 @@
+#pragma once
+#include <gui/view.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Menu anonymous structure */
+typedef struct Menu Menu;
+typedef void (*MenuItemCallback)(void* context, uint32_t index);
+
+/** Menu allocation and initialization
+ * @return Menu instance
+ */
+Menu* menu_alloc();
+
+/** Free menu
+ * @param menu - Menu instance
+ */
+void menu_free(Menu* menu);
+
+/** Get Menu view
+ * @param menu - Menu instance
+ * @return View instance
+ */
+View* menu_get_view(Menu* menu);
+
+/** Add item to menu
+ * @param menu - Menu instance
+ * @param label - menu item string label
+ * @param icon - IconAnimation instance
+ * @param index - menu item index
+ * @param callback - MenuItemCallback instance
+ * @param context - pointer to context
+ */
+void menu_add_item(
+    Menu* menu,
+    const char* label,
+    IconAnimation* icon,
+    uint32_t index,
+    MenuItemCallback callback,
+    void* context);
+
+/** Clean menu
+ * Note: this function does not free menu instance
+ * @param menu - Menu instance
+ */
+void menu_clean(Menu* menu);
+
+#ifdef __cplusplus
+}
+#endif