Third-party notices

- Inter and JetBrains Mono fonts — SIL Open Font License 1.1 (self-hosted
  copies in src/product/frontend/fonts/).
- This application invokes ffmpeg/ffprobe as external user-installed
  programs; ffmpeg is licensed under LGPL/GPL depending on build. ffmpeg is
  not bundled with this distribution.
- puppeteer-core — Apache-2.0.
- Game-detection database (src/product/data/games_db.json.gz) — a
  normalized snapshot of executable-name → game-title facts derived from
  Discord's public detectable-applications dataset; rebuilt at release
  time by scripts/build_games_db.py.
