Pre-fill info from IGDB when adding a game

[Tina-otoge]

• [ ] Typing a game name must search for results on IGDB
• [ ] Results should be displayed on the right of the form
• [ ] Results should include cover image, platforms, and release date
• [ ] Clicking on one of the results should fill the entire form with IGDB data
• [ ] Requests must be put in a queue and processed one at a time to avoid API limits