New Seasons Mode with gems as reward

Changes:
- Added a new mode "Seasons" where a player starts from Division 10 and progresses based on their performance.
- Gems on now rewarded on the Seasons mode based on the division that the player is on.
- Lobby "Race" button can now be toggled by pressing the ctrl button instead of return button. Return button is now used to send messages on chat.

Improvements:
- Chat mode can be activated in the lobby by pressing the TAB button

Bug Fixes:
- Game mode selection was not working through keyboard or joystick