Examine source code of RunMyCode Online

{
  "name": "RunMyCode Online",
  "short_name": "RunMyCode",
  "description": "RunMyCode Online is a free and open-source tool to compile and run code online directly from Github, Gitlab and Bitbucket.",
  "author": "Shatrughn Gupta",
  "homepage_url": "https://runmycode.online",
  "version": "2.0.2resigned1",
  "icons": {
    "128": "icon128.png"
  },
  "manifest_version": 2,
  "page_action": {
    "default_icon": "icon128.png",
    "default_title": "This site is not yet supported by RunMyCode."
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*",
        "https://gist.github.com/*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "common-utils.js",
        "platforms/github.js",
        "runmycode.js"
      ],
      "css": [
        "runmycode-panel.css"
      ],
      "run-at": "document_idle"
    },
    {
      "matches": [
        "https://runmycode.online/dashboard.html*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "auto-configure.js"
      ],
      "run-at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "browser-polyfill.min.js",
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "https://api.runmycode.online/"
  ],
  "optional_permissions": [
    "https://gitlab.com/",
    "https://bitbucket.org/",
    "https://gobyexample.com/",
    "*://xahlee.info/",
    "*://www.learntosolveit.com/",
    "https://www.geeksforgeeks.org/",
    "https://www.tutorialspoint.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6945477b-aba3-4510-adef-a63cfa914759}"
    }
  }
}