Chess You Can Hear

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Chess You Can Hear",
  "version": "1.0",
  "description": "Adds sound effects that reflect the current chess game being played on lichess.org",
  "browser_action": {
    "default_icon": "chess_icon.png",
    "default_title": "Chess You Can Hear"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.lichess.org/*",
        "http://*.lichess.org/*"
      ],
      "js": [
        "sounds.js",
        "player.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "*.mp3"
  ]
}