Improvements and bug fixes for the keymaps kodi and default for
ANAVI Macro Pad 8:
- Add space to the end of string "Active layer: " for better
visibility on the mini I2C OLED display for both keymaps
- Replace "Main" with "Kodi" for the Kodi keymap
- Add comment with reference to Kodi documentation for the
available shortcuts in this keymap
Signed-off-by: Leon Anavi <leon@anavi.org>