Examine source code of DeleteTweets

{
  "manifest_version": 3,
  "name": "DeleteTweets",
  "description": "__MSG_extensionDescription__",
  "version": "4.5.0",
  "default_locale": "en",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "service_worker": "/background.js"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.x.com/*"
      ],
      "js": [
        "/content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    }
  ],
  "host_permissions": [
    "*://*.x.com/*",
    "*://*.deletetweets.net/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/injected.js"
      ],
      "matches": [
        "https://*.x.com/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "cookies"
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}