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/ibutton/helpers/key_worker.h

@@ -0,0 +1,35 @@
+#pragma once
+#include <furi.h>
+#include "key_info.h"
+#include "key_reader.h"
+#include "key_emulator.h"
+#include "key_writer.h"
+#include "../ibutton_key.h"
+#include <one_wire_master.h>
+#include <one_wire_slave.h>
+
+class KeyWorker {
+public:
+    KeyReader::Error read(iButtonKey* key);
+    void start_read();
+    void stop_read();
+
+    bool emulated();
+    void start_emulate(iButtonKey* key);
+    void stop_emulate();
+
+    KeyWriter::Error write(iButtonKey* key);
+    void start_write();
+    void stop_write();
+
+    KeyWorker(const GpioPin* one_wire_gpio);
+    ~KeyWorker();
+
+private:
+    // one wire
+    OneWireMaster onewire_master;
+    OneWireSlave onewire_slave;
+    KeyReader key_reader;
+    KeyEmulator key_emulator;
+    KeyWriter key_writer;
+};