Examine source code of Media Link Scraper

{
  "manifest_version": 3,
  "name": "Media Link Scraper",
  "version": "1.0",
  "description": "Scrape video links,pictures link and create an url playlist",
  "browser_specific_settings": {
    "gecko": {
      "id": "@mediascraper42069",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png"
  },
  "permissions": [
    "downloads",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scrape.js"
      ],
      "run_at": "document_idle"
    }
  ]
}