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/view/elements/string_element.cpp

@@ -0,0 +1,36 @@
+#include "string_element.h"
+#include <gui/elements.h>
+
+StringElement::StringElement() {
+}
+
+StringElement::~StringElement() {
+}
+
+void StringElement::draw(Canvas* canvas) {
+    if(text) {
+        canvas_set_font(canvas, font);
+        elements_multiline_text_aligned(canvas, x, y, horizontal, vertical, text);
+    }
+}
+
+bool StringElement::input(InputEvent* event) {
+    return false;
+}
+
+void StringElement::set_text(
+    const char* _text,
+    uint8_t _x,
+    uint8_t _y,
+    Align _horizontal,
+    Align _vertical,
+    Font _font) {
+    lock_model();
+    text = _text;
+    x = _x;
+    y = _y;
+    horizontal = _horizontal;
+    vertical = _vertical;
+    font = _font;
+    unlock_model(true);
+}