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/irda/irda_app_brute_force.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "irda_app_file_parser.h"
+
+#include <unordered_map>
+#include <memory>
+
+class IrdaAppBruteForce {
+    const char* universal_db_filename;
+    std::string current_record;
+    std::unique_ptr<IrdaAppFileParser> file_parser;
+
+    typedef struct {
+        int index;
+        int amount;
+    } Record;
+
+    // 'key' is record name, because we have to search by both, index and name,
+    // but index search has place once per button press, and should not be
+    // noticed, but name search should occur during entering universal menu,
+    // and will go through container for every record in file, that's why
+    // more critical to have faster search by record name.
+    std::unordered_map<std::string, Record> records;
+
+public:
+    bool calculate_messages();
+    void stop_bruteforce();
+    bool send_next_bruteforce();
+    bool start_bruteforce(int index, int& record_amount);
+    void add_record(int index, const char* name);
+
+    IrdaAppBruteForce(const char* filename)
+        : universal_db_filename(filename) {
+    }
+    ~IrdaAppBruteForce() {
+    }
+};