[FL-3097] fbt, faploader: minimal app module implementation (#2420)

* fbt, faploader: minimal app module implementation
* faploader, libs: moved API hashtable core to flipper_application
* example: compound api
* lib: flipper_application: naming fixes, doxygen comments
* fbt: changed `requires` manifest field behavior for app extensions
* examples: refactored plugin apps; faploader: changed new API naming; fbt: changed PLUGIN app type meaning
* loader: dropped support for debug apps & plugin menus
* moved applications/plugins -> applications/external
* Restored x bit on chiplist_convert.py
* git: fixed free-dap submodule path
* pvs: updated submodule paths
* examples: example_advanced_plugins.c: removed potential memory leak on errors
* examples: example_plugins: refined requires
* fbt: not deploying app modules for debug/sample apps; extra validation for .PLUGIN-type apps
* apps: removed cdefines for external apps
* fbt: moved ext app path definition
* fbt: reworked fap_dist handling; f18: synced api_symbols.csv
* fbt: removed resources_paths for extapps
* scripts: reworked storage
* scripts: reworked runfap.py & selfupdate.py to use new api
* wip: fal runner
* fbt: moved file packaging into separate module
* scripts: storage: fixes
* scripts: storage: minor fixes for new api
* fbt: changed internal artifact storage details for external apps
* scripts: storage: additional fixes and better error reporting; examples: using APP_DATA_PATH()
* fbt, scripts: reworked launch_app to deploy plugins; moved old runfap.py to distfap.py
* fbt: extra check for plugins descriptors
* fbt: additional checks in emitter
* fbt: better info message on SDK rebuild
* scripts: removed requirements.txt
* loader: removed remnants of plugins & debug menus
* post-review fixes

applications/external/hid_app/hid.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <furi.h>
+#include <furi_hal_bt.h>
+#include <furi_hal_bt_hid.h>
+#include <furi_hal_usb.h>
+#include <furi_hal_usb_hid.h>
+
+#include <bt/bt_service/bt.h>
+#include <gui/gui.h>
+#include <gui/view.h>
+#include <gui/view_dispatcher.h>
+#include <notification/notification.h>
+#include <storage/storage.h>
+
+#include <gui/modules/submenu.h>
+#include <gui/modules/dialog_ex.h>
+#include <gui/modules/popup.h>
+#include "views/hid_keynote.h"
+#include "views/hid_keyboard.h"
+#include "views/hid_media.h"
+#include "views/hid_mouse.h"
+#include "views/hid_mouse_jiggler.h"
+#include "views/hid_tiktok.h"
+
+#define HID_BT_KEYS_STORAGE_NAME ".bt_hid.keys"
+
+typedef enum {
+    HidTransportUsb,
+    HidTransportBle,
+} HidTransport;
+
+typedef struct Hid Hid;
+
+struct Hid {
+    Bt* bt;
+    Gui* gui;
+    NotificationApp* notifications;
+    ViewDispatcher* view_dispatcher;
+    Submenu* device_type_submenu;
+    DialogEx* dialog;
+    HidKeynote* hid_keynote;
+    HidKeyboard* hid_keyboard;
+    HidMedia* hid_media;
+    HidMouse* hid_mouse;
+    HidMouseJiggler* hid_mouse_jiggler;
+    HidTikTok* hid_tiktok;
+
+    HidTransport transport;
+    uint32_t view_id;
+};
+
+void hid_hal_keyboard_press(Hid* instance, uint16_t event);
+void hid_hal_keyboard_release(Hid* instance, uint16_t event);
+void hid_hal_keyboard_release_all(Hid* instance);
+
+void hid_hal_consumer_key_press(Hid* instance, uint16_t event);
+void hid_hal_consumer_key_release(Hid* instance, uint16_t event);
+void hid_hal_consumer_key_release_all(Hid* instance);
+
+void hid_hal_mouse_move(Hid* instance, int8_t dx, int8_t dy);
+void hid_hal_mouse_scroll(Hid* instance, int8_t delta);
+void hid_hal_mouse_press(Hid* instance, uint16_t event);
+void hid_hal_mouse_release(Hid* instance, uint16_t event);
+void hid_hal_mouse_release_all(Hid* instance);