Keyboard: Improvement of crkbd communication functions (based on helix-keyboard) (#3798)

* improvement of crkbd communication functions (based on  helix-keyboard)

* Removed unnecessary code.

* Changed read restriction from #define to #pragma once.

* Changed from sizeof to defined size.

* moved lib folder to crkbdroot.
removed warning of ws2812.d

keyboards/crkbd/ssd1306.c

@@ -123,6 +123,7 @@ static int8_t capture_sendchar(uint8_t c) {
 bool iota_gfx_init(bool rotate) {
   bool success = false;
 
+  i2c_master_init();
   send_cmd1(DisplayOff);
   send_cmd2(SetDisplayClockDiv, 0x80);
   send_cmd2(SetMultiPlex, DisplayHeight - 1);