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/protocols/protocol_indala_40134.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "protocol_generic.h"
+
+class ProtocolIndala40134 : public ProtocolGeneric {
+public:
+    uint8_t get_encoded_data_size() final;
+    uint8_t get_decoded_data_size() final;
+
+    void encode(
+        const uint8_t* decoded_data,
+        const uint8_t decoded_data_size,
+        uint8_t* encoded_data,
+        const uint8_t encoded_data_size) final;
+
+    void decode(
+        const uint8_t* encoded_data,
+        const uint8_t encoded_data_size,
+        uint8_t* decoded_data,
+        const uint8_t decoded_data_size) final;
+
+    bool can_be_decoded(const uint8_t* encoded_data, const uint8_t encoded_data_size) final;
+};