[BUG] Knows issues

[quentinlegot]

To fix:

Fixed:

• Launcher redownload modpack each time you launch the game (will be fix when we'll change the dependency who help us to launch the game)
• Icon take another app icon on the desktop (help wanted)
• Microsoft auth ( to do using https://www.npmjs.com/package/msmc )
• Better handling when offline ( Has been improved in 0.6.0 but still need better improvement )

If an issue is flagged with "help wanted", you can help us to fix it by fork the repo and open a PR when the problem is resolve, please don't open a PR if the issue isn't flagged with "help wanted"