Random Chess Openings Generator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Random Chess Openings Generator",
  "description": "A Random Chess Openings Generator",
  "version": "0.1.0",
  "author": "Elias Branchereau",
  "action": {
    "default_icon": "128.png",
    "default_title": "Random Chess Openings Generator.",
    "default_popup": "index.html"
  }
}