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/view/elements/icon-element.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "generic-element.h"
+
+class IconElement : public GenericElement {
+public:
+    IconElement();
+    ~IconElement() final;
+    void draw(Canvas* canvas) final;
+    bool input(InputEvent* event) final;
+
+    void set_icon(uint8_t x = 0, uint8_t y = 0, IconName name = I_Empty_1x1);
+
+private:
+    IconName name = I_Empty_1x1;
+    uint8_t x = 0;
+    uint8_t y = 0;
+};