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/decoder-analyzer.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <stdint.h>
+#include <atomic>
+
+class DecoderAnalyzer {
+public:
+    bool read(uint8_t* data, uint8_t data_size);
+    void process_front(bool polarity, uint32_t time);
+
+    DecoderAnalyzer();
+    ~DecoderAnalyzer();
+
+private:
+    void reset_state();
+
+    std::atomic<bool> ready;
+
+    static const uint32_t data_size = 2048;
+    uint32_t data_index = 0;
+    uint32_t* data;
+};