• Some help & tweaks for new players

Mostly applies to first-time players: added a few words, made the 'master barrel roll' achievement a bit easier to obtain and the aircraft config is not saved anymore if it is locked and you quit the game.

• Aim prediction & 30mm tweaking

Thanks to Fmily for insisting, there was indeed something that could be fixed.
For details 👉 https://steamcommunity.com/app/608120/discussions/0/3145132956198565493/

• Bugfixing

Sometimes, the position in the leaderboards was reported incorrectly.

That's it!