[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/nfc_magic/nfc_magic_i.h

@@ -0,0 +1,79 @@
+#pragma once
+
+#include "nfc_magic.h"
+#include "nfc_magic_worker.h"
+
+#include "lib/magic/magic.h"
+
+#include <furi.h>
+#include <gui/gui.h>
+#include <gui/view_dispatcher.h>
+#include <gui/scene_manager.h>
+#include <notification/notification_messages.h>
+
+#include <gui/modules/submenu.h>
+#include <gui/modules/popup.h>
+#include <gui/modules/loading.h>
+#include <gui/modules/text_input.h>
+#include <gui/modules/widget.h>
+
+#include <input/input.h>
+
+#include "scenes/nfc_magic_scene.h"
+
+#include <storage/storage.h>
+#include <lib/toolbox/path.h>
+
+#include <lib/nfc/nfc_device.h>
+#include "nfc_magic_icons.h"
+
+#define NFC_APP_FOLDER ANY_PATH("nfc")
+
+enum NfcMagicCustomEvent {
+    // Reserve first 100 events for button types and indexes, starting from 0
+    NfcMagicCustomEventReserved = 100,
+
+    NfcMagicCustomEventViewExit,
+    NfcMagicCustomEventWorkerExit,
+    NfcMagicCustomEventByteInputDone,
+    NfcMagicCustomEventTextInputDone,
+};
+
+struct NfcMagic {
+    NfcMagicWorker* worker;
+    ViewDispatcher* view_dispatcher;
+    Gui* gui;
+    NotificationApp* notifications;
+    SceneManager* scene_manager;
+    // NfcMagicDevice* dev;
+    NfcDevice* nfc_dev;
+
+    FuriString* text_box_store;
+
+    // Common Views
+    Submenu* submenu;
+    Popup* popup;
+    Loading* loading;
+    TextInput* text_input;
+    Widget* widget;
+};
+
+typedef enum {
+    NfcMagicViewMenu,
+    NfcMagicViewPopup,
+    NfcMagicViewLoading,
+    NfcMagicViewTextInput,
+    NfcMagicViewWidget,
+} NfcMagicView;
+
+NfcMagic* nfc_magic_alloc();
+
+void nfc_magic_text_store_set(NfcMagic* nfc_magic, const char* text, ...);
+
+void nfc_magic_text_store_clear(NfcMagic* nfc_magic);
+
+void nfc_magic_blink_start(NfcMagic* nfc_magic);
+
+void nfc_magic_blink_stop(NfcMagic* nfc_magic);
+
+void nfc_magic_show_loading_popup(void* context, bool show);