Examine source code of Faceit Forecast Beta

{
  "manifest_version": 2,
  "name": "Faceit Forecast Beta",
  "description": "Forcast the Faceit match outcome for each map!",
  "version": "0.4.3",
  "icons": {
    "16": "src/img/16.png",
    "32": "src/img/32.png",
    "48": "src/img/48.png",
    "128": "src/img/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.faceit.com/*"
      ],
      "js": [
        "./src/jquery.js",
        "./src/script.js"
      ],
      "css": [
        "./src/style.css"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "https://open.faceit.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d8d1028-bf8f-4b67-9ff6-a4f9bd8f9c67}"
    }
  }
}