Examine source code of Giki

{
  "manifest_version": 2,
  "name": "Giki",
  "short_name": "Giki",
  "version": "3.3.0",
  "description": "This is Addon of a micro blogging platform https://giki.app,  by this Addon, user can blog anytime and anywhere from Firefox.",
  "author": "Minghe Huang",
  "developer": {
    "name": "Minghe Huang",
    "url": "https://i.giki.app"
  },
  "icons": {
    "16": "images/16x16.png",
    "48": "images/48x48.png",
    "128": "images/128x128.png"
  },
  "permissions": [
    "notifications",
    "contextMenus",
    "storage",
    "*://*.iiiii.li/*",
    "*://*.giki.app/*",
    "https://www.google-analytics.com/"
  ],
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{53bed5a9-cc0d-473d-afa5-b6c8c0a540ca}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://giki.app/status*"
      ],
      "js": [
        "dist/content.bundle.js"
      ],
      "run_at": "document_end"
    }
  ],
  "homepage_url": "https://giki.app"
}