Examine source code of YouTube Courses Tracker

{
  "manifest_version": 3,
  "name": "YouTube Course Chunk Master",
  "version": "1.2",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "alarms",
    "notifications",
    "scripting"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "images/*"
      ],
      "matches": [
        "*://*.youtube.com/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/watch*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css",
        "restrictions.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Course Chunk Master"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "course-chunk-master@omniarch.com",
      "strict_min_version": "109.0"
    }
  }
}