Examine source code of Smart AutoFill Form

{
  "manifest_version": 2,
  "name": "Smart AutoFill Form",
  "version": "1.2.1",
  "description": "Configurable form autofill with multiple preset profiles, visual field mapper, and custom fields.",
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-autofill@leilaschooley.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.svg",
      "96": "icon.svg"
    }
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "mapper.css"
      ],
      "js": [
        "content.js",
        "mapper.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  }
}