Examine source code of MindMap Gemini

{
  "manifest_version": 2,
  "name": "MindMap Gemini",
  "version": "1.1",
  "description": "Create a mind map using Gemini with Mindface 2 style.",
  "permissions": [
    "storage",
    "activeTab",
    "https://*/",
    "http://*/"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "options_page": "options.html",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7532dd49-ffe9-4abc-964d-48687451d954}"
    }
  }
}