- updated typescript, electron-builder and electron versions
- updated readme:
+ added link to the discord server
+ added roadmap goal
+ added development delay notification
- added new lutris and proton-ge versions
- updated launcher's banner
- removed old config file compatibility check
- fixed main window flickering at start
- added environmental variables manager
- moved common styles to the basic.sass file
- added excess files deletion when game's update comes
- updated project logo