0.1-RC3

Testing
-converted ulwgl-run to posix
-added flatpak test tarball

Instructions for installing flatpak via test tarball:

tar -xf ulwgl-flatpak-test.tar.gz
flatpak --user remote-add --no-gpg-verify ulwgl-repo ulwgl-repo
flatpak --user install ulwgl-repo org.openwinecomponents.ulwgl.launcher

Usage example:

winecfg:

flatpak run --env=GAMEID=ulwgl-roblox --env=WINEPREFIX=/home/tcrider/Games/roblox/ org.openwinecomponents.ulwgl.launcher winecfg

running a game:

flatpak run --env=GAMEID=ulwgl-roblox --env=WINEPREFIX=/home/tcrider/Games/roblox/ org.openwinecomponents.ulwgl.launcher /path/to/some/game.exe

For GAMEID check here if one exists for your game:
https://ulwgl.openwinecomponents.org/

If the game runs with nothing needed then no fixes are required and you can use whatever you want for the GAMEID. The GAMEID is the ULWGL_ID used for applying protonfixes from our database.