v0.3

What's Changed

• Remove auto changelog by @voxors in #48
• Add background worker for single-instance mode by @voxors in #50
• Add TrayIcon class and integrate into main window by @voxors in #51
• Add Setup menu item to tray icon by @voxors in #52
• Add API token support to configuration and UI by @voxors in #53
• Add filter widget to AddGameDialog by @voxors in #54
• Add CLI parsing and optional minimized start by @voxors in #55
• Add auto-path finder and refactor path API usage by @voxors in #56
• Add license info and third‑party dialog to About by @voxors in #59
• Add start/stop support for BackgroundSyncWorker by @voxors in #60
• Enable CPack packaging for DEB, RPM, TGZ and add install rules. by @voxors in #61
• full log for cpack by @voxors in #62

Full Changelog: v0.2...v0.3