Preparing Script with code for Decky PLugin

~added script to be command line ready - halfway done will not yet work fully ~added a new vdf module in the github and correctly called it for shortcuts in the steam library

Full Changelog: https://github.com/moraroy/NonSteamLaunchers-On-Steam-Deck/compare/v2.95...v2.96

Please use the .desktop file to use NonSteamLaunchers