Examine source code of MonkeyCoursePro

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.0.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "sync-cookie-client@yourdomain.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "browsingActivity"
        ]
      }
    }
  },
  "icons": {
    "16": "/icons/16.png",
    "32": "/icons/32.png",
    "48": "/icons/48.png",
    "96": "/icons/96.png",
    "128": "/icons/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "cookies",
    "tabs",
    "storage",
    "alarms",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "action": {
    "default_icon": {
      "16": "/icons/16.png",
      "32": "/icons/32.png",
      "48": "/icons/48.png",
      "128": "/icons/128.png"
    },
    "default_title": "MonkeyCoursePro",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}