* Update keymap & readme
-Keymap.c: Key combinations removed for resetting and added a new way to reset. Also removed unused timer code.
-config.h & rules.mk: Removed on kemap level (these were there for the key combo's)
-Readme.md: Changed the preview image and changed the description to reset the keyboard. Also added what connector type is used.
* Update readme.md
Better wording on how to get the keyboard in bootloader mode
* Update keymap.c
Switched + and - around, same with / and *.
