[FL-2627] Flipper applications: SDK, build and debug system (#1387)

* Added support for running applications from SD card (FAPs - Flipper Application Packages)
* Added plugin_dist target for fbt to build FAPs
* All apps of type FlipperAppType.EXTERNAL and FlipperAppType.PLUGIN are built as FAPs by default
* Updated VSCode configuration for new fbt features - re-deploy stock configuration to use them
* Added debugging support for FAPs with fbt debug & VSCode
* Added public firmware API with automated versioning

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/services/gui/modules/submenu.h

@@ -0,0 +1,78 @@
+/**
+ * @file submenu.h
+ * GUI: SubMenu view module API
+ */
+
+#pragma once
+
+#include <gui/view.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Submenu anonymous structure */
+typedef struct Submenu Submenu;
+typedef void (*SubmenuItemCallback)(void* context, uint32_t index);
+
+/** Allocate and initialize submenu 
+ * 
+ * This submenu is used to select one option
+ *
+ * @return     Submenu instance
+ */
+Submenu* submenu_alloc();
+
+/** Deinitialize and free submenu
+ *
+ * @param      submenu  Submenu instance
+ */
+void submenu_free(Submenu* submenu);
+
+/** Get submenu view
+ *
+ * @param      submenu  Submenu instance
+ *
+ * @return     View instance that can be used for embedding
+ */
+View* submenu_get_view(Submenu* submenu);
+
+/** Add item to submenu
+ *
+ * @param      submenu           Submenu instance
+ * @param      label             menu item label
+ * @param      index             menu item index, used for callback, may be
+ *                               the same with other items
+ * @param      callback          menu item callback
+ * @param      callback_context  menu item callback context
+ */
+void submenu_add_item(
+    Submenu* submenu,
+    const char* label,
+    uint32_t index,
+    SubmenuItemCallback callback,
+    void* callback_context);
+
+/** Remove all items from submenu
+ *
+ * @param      submenu  Submenu instance
+ */
+void submenu_reset(Submenu* submenu);
+
+/** Set submenu item selector
+ *
+ * @param      submenu  Submenu instance
+ * @param      index    The index
+ */
+void submenu_set_selected_item(Submenu* submenu, uint32_t index);
+
+/** Set optional header for submenu
+ *
+ * @param      submenu  Submenu instance
+ * @param      header   header to set
+ */
+void submenu_set_header(Submenu* submenu, const char* header);
+
+#ifdef __cplusplus
+}
+#endif