Examine source code of Gemini Google Theme

{
  "icons": {
    "16": "icon16.plasmo.2577fc03.png",
    "32": "icon32.plasmo.d583dc1e.png",
    "48": "icon48.plasmo.e0fcfb1d.png",
    "64": "icon64.plasmo.e6259081.png",
    "128": "icon128.plasmo.96a1ede9.png"
  },
  "manifest_version": 3,
  "action": {
    "default_icon": {
      "16": "icon16.plasmo.2577fc03.png",
      "32": "icon32.plasmo.d583dc1e.png",
      "48": "icon48.plasmo.e0fcfb1d.png",
      "64": "icon64.plasmo.e6259081.png",
      "128": "icon128.plasmo.96a1ede9.png"
    },
    "default_popup": "popup.html"
  },
  "version": "0.0.1",
  "author": "Nub",
  "name": "Gemini Google Theme",
  "description": "Brings a Google-inspired AI theme to Gemini with animated rainbow accents and a clean toggle control.",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "gemini-theme.d9c64269.js"
      ],
      "css": []
    }
  ],
  "short_name": "Gemini Google Theme",
  "host_permissions": [
    "https://gemini.google.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-google-theme@nub.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}