Examine source code of Spektu

{
  "manifest_version": 2,
  "name": "Spektu",
  "version": "1.0.1",
  "description": "VideoLearning VŠEM browser addon that displays the progress of watched videos.",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_action": {
    "default_popup": "src/pages/popup.html"
  },
  "author": "Michael Shelenberg",
  "content_scripts": [
    {
      "matches": [
        "*://*.videolearningvsem.cz/homepage/prehled*"
      ],
      "js": [
        "src/scripts/marker.js"
      ]
    },
    {
      "matches": [
        "*://*.videolearningvsem.cz/lectures/view*"
      ],
      "js": [
        "src/scripts/videoSaver.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0894b71a-af25-4caa-b085-55e893ee96c7}"
    }
  }
}