Lichess coord helper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Lichess coord helper",
  "short_name": "Lichess coords",
  "description": "Overlay co-ordinates on each square on lichess.com",
  "version": "1.05",
  "author": "Dara Javaherian",
  "permissions": [
    "*://*.lichess.org/*"
  ],
  "background": {
    "persistent": true,
    "scripts": [
      "bg/background.js"
    ]
  },
  "icons": {
    "128": "icons/youtube-128.png"
  },
  "browser_action": {
    "default_icon": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://lichess.org/*",
        "http://lichess.org/*"
      ],
      "js": [
        "js/jquery.js",
        "js/inject.js"
      ],
      "css": [
        "styles/styles.css"
      ]
    }
  ]
}