[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/weather_station/helpers/weather_station_event.h

@@ -0,0 +1,14 @@
+#pragma once
+
+typedef enum {
+    //WSCustomEvent
+    WSCustomEventStartId = 100,
+
+    WSCustomEventSceneSettingLock,
+
+    WSCustomEventViewReceiverOK,
+    WSCustomEventViewReceiverConfig,
+    WSCustomEventViewReceiverBack,
+    WSCustomEventViewReceiverOffDisplay,
+    WSCustomEventViewReceiverUnlock,
+} WSCustomEvent;

applications/external/weather_station/helpers/weather_station_types.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <furi.h>
+#include <furi_hal.h>
+
+#define WS_VERSION_APP "0.8"
+#define WS_DEVELOPED "SkorP"
+#define WS_GITHUB "https://github.com/flipperdevices/flipperzero-firmware"
+
+#define WS_KEY_FILE_VERSION 1
+#define WS_KEY_FILE_TYPE "Flipper Weather Station Key File"
+
+/** WSRxKeyState state */
+typedef enum {
+    WSRxKeyStateIDLE,
+    WSRxKeyStateBack,
+    WSRxKeyStateStart,
+    WSRxKeyStateAddKey,
+} WSRxKeyState;
+
+/** WSHopperState state */
+typedef enum {
+    WSHopperStateOFF,
+    WSHopperStateRunnig,
+    WSHopperStatePause,
+    WSHopperStateRSSITimeOut,
+} WSHopperState;
+
+/** WSLock */
+typedef enum {
+    WSLockOff,
+    WSLockOn,
+} WSLock;
+
+typedef enum {
+    WeatherStationViewVariableItemList,
+    WeatherStationViewSubmenu,
+    WeatherStationViewReceiver,
+    WeatherStationViewReceiverInfo,
+    WeatherStationViewWidget,
+} WeatherStationView;
+
+/** WeatherStationTxRx state */
+typedef enum {
+    WSTxRxStateIDLE,
+    WSTxRxStateRx,
+    WSTxRxStateTx,
+    WSTxRxStateSleep,
+} WSTxRxState;