Examine source code of BurningSeriesControls

{
  "manifest_version": 2,
  "name": "BurningSeriesControls",
  "version": "1.0",
  "description": "Fügt einen WEITER und einen ZURÜCK Button an den Seiten von BurningSeries hinzu um schneller zwischen Episoden wechseln zu können",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "36": "icons/icon36.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "36": "icons/icon36.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "BurningSeries Controls",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2733b8a6-2fc5-4945-aeb0-5d15a7649c18}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://bs.to/*",
        "*://burningseries.co/*",
        "*://burningseries.sx/*",
        "*://burningseries.ac/*",
        "*://burningseries.vc/*",
        "*://burningseries.cx/*",
        "*://vivo.sx/*"
      ],
      "js": [
        "js/contentScript.js"
      ],
      "css": [
        "css/button.css"
      ]
    }
  ]
}