Examine source code of VŠE+

{
  "manifest_version": 2,
  "name": "VŠE+",
  "description": "Web extension adding features to the insis information system (Prague University of Economics and Business).",
  "homepage_url": "https://github.com/vse-plus",
  "version": "2.9.0",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "VŠE+"
  },
  "icons": {
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://insis.vse.cz/**",
        "https://vrba.dev/vse-plus/**"
      ],
      "js": [
        "js/vendor.js",
        "js/content_script.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "webRequest",
    "downloads",
    "https://insis.vse.cz/*",
    "https://vse.vrba.dev/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{47817be9-3851-41b6-b251-67072f984b72}"
    }
  }
}