New LF-RFID app (#534)

* Hal lfrfid: add read timer pulse and period config fns
* New debug application for lfrfid subsystem
* New lfrfid: app, fix naming
* App lfrfid: assets
* Container view module
* App ibutton: remove unused header
* App lfrfid scenes
* App notification, add yield to blocking operations, add speaker volume control
* App lfrfid: reading key scene
* Assets: placeholder icon
* App lfrfid: reworked container view module
* App lfrfid: new scenes
* App lfrfid: write scene
* App lfrfid: write hid
* App lfrfid: emulate scene
* App lfrfid: save name scene
* App lfrfid: add missing file

applications/lfrfid/scene/lfrfid-app-scene-read.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "../lfrfid-app.h"
+
+class LfRfidAppSceneRead : public GenericScene<LfRfidApp> {
+public:
+    void on_enter(LfRfidApp* app, bool need_restore) final;
+    bool on_event(LfRfidApp* app, LfRfidApp::Event* event) final;
+    void on_exit(LfRfidApp* app) final;
+};