v0.5.0

What's Changed

• Add Windows installer (Inno Setup) and winget manifest tooling by @Vasanthdev2004 in #3
• Linux tier-1: systemd autostart, notify-send, Steam Deck detection by @Vasanthdev2004 in #4
• Release 0.5.0: Windows installer, Linux support, honest docs by @Vasanthdev2004 in #6
• Bump to 0.5.0 for the launch release by @Vasanthdev2004 in #7

Full Changelog: v0.4.0...v0.5.0