Examine source code of Fastdic

{
  "manifest_version": 2,
  "name": "Fastdic",
  "description": "Fastdic.com extension",
  "version": "1.1",
  "browser_action": {
    "default_icon": "./images/icon.png",
    "default_popup": "./popup.html"
  },
  "background": {
    "scripts": [
      "service-worker.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "all_frames": false,
      "js": [
        "./main.js"
      ],
      "css": [
        "./main.css"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; font-src 'self' data:",
  "permissions": [
    "cookies",
    "storage",
    "contextMenus",
    "https://cdn.fastdic.com/*",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "*.woff",
    "*.woff2",
    "IRANSansX-Bold.woff",
    "IRANSansX-Bold.woff2",
    "IRANSansX-Regular.woff",
    "IRANSansX-Regular.woff2",
    "fonts/*.woff",
    "fonts/*.woff2"
  ],
  "icons": {
    "1024": "./images/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{a3016b95-6b6e-4c6a-b5aa-64c73c83b992}"
    }
  }
}