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/helpers/encoder-emmarine.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "encoder-generic.h"
+
+class EncoderEM : public EncoderGeneric {
+public:
+    /**
+     * @brief init data to emulate
+     * 
+     * @param data 1 byte FC, next 4 byte SN
+     * @param data_size must be 5
+     */
+    void init(const uint8_t* data, const uint8_t data_size) final;
+
+    void get_next(bool* polarity, uint16_t* period, uint16_t* pulse) final;
+
+private:
+    // clock pulses per bit
+    static const uint8_t clocks_per_bit = 64;
+
+    uint64_t card_data;
+    uint8_t card_data_index;
+};