Examine source code of Enhanced QIS

{
  "manifest_version": 2,
  "name": "Enhanced QIS",
  "version": "1.1.0",
  "description": "Enhancements for QIS grades portal. This currently only works for Hochschule Trier on page qis.hochschule-trier.de. Current Features: - Enhancement of the grades overview",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://qis.hochschule-trier.de/*"
      ],
      "js": [
        "index.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e64cd946-8544-469a-adb2-417b842288a9}"
    }
  }
}