Examine source code of YouTube Video Tracker

{
  "manifest_version": 2,
  "name": "YouTube Video Tracker",
  "version": "1.0",
  "description": "Track your progress through YouTube courses with chapter-based progress tracking",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "https://www.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/watch*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "YouTube Video Tracker"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "128": "icons/icon.png"
  },
  "web_accessible_resources": [
    "icons/*.svg",
    "icons/*.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c32dc77a-df69-4546-aa93-e4e85c5e8eb4}"
    }
  }
}