PawnGun

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "PawnGun",
  "description": "Live Analysis for Lichess.org Games",
  "version": "0.1",
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "permissions": [],
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://lichess.org/*"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "chess.js",
        "content.js",
        "lozza.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html"
  }
}