Comet46 add support for OLED (#4745)
* Add OLED support for Comet46
* fix length of char "name" of keylogger.c
* update ssd1306
* fix rules.mk
* update led-receiver keymap
* Update OLED related code
* add mod_state_reader & modify led_state_reader
* Update OLED related files
* Update kemaps
* Update readme
* change default-oled-display to default
* Add OSM compatibility to mod_state_reader
* Code formatting
* Use PROGMEM to store code_to_name
* Clean up satt keymap
* Rename default-led keymap to defult-rgbled