Naming and coding style convention, new linter tool. (#945)

* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide

applications/lfrfid/helpers/decoder_hid26.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <stdint.h>
+#include <atomic>
+#include "protocols/protocol_hid_h10301.h"
+
+class DecoderHID26 {
+public:
+    bool read(uint8_t* data, uint8_t data_size);
+    void process_front(bool polarity, uint32_t time);
+    DecoderHID26();
+
+private:
+    uint32_t last_pulse_time = 0;
+    bool last_pulse;
+    uint8_t pulse_count;
+
+    uint32_t stored_data[3] = {0, 0, 0};
+    void store_data(bool data);
+
+    std::atomic<bool> ready;
+
+    void reset_state();
+    ProtocolHID10301 hid;
+};