EmuDeck 2.6.3 EA

Hi, quick maintenance update for EmuDeck EA, for all Desktop platforms: Linux / SteamOS and Windows.

Fixes:

Linux / SteamOS / Windows

Improved RetroAchievements login

Added Dolphin RetroAchievements setup

Fixed Ryujinx not recognizing controllers on setup

Windows

Fixed EmuDeck Compressor not launching from the App

Fixed EmuDeck Start Menu links not showing after installing an emulator