Examine source code of Folium Web Clipper

{
  "manifest_version": 3,
  "name": "Folium Web Clipper",
  "version": "0.1.0",
  "description": "Save the current page or selected text to your Folium library.",
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "folium-clipper@folium.fyi",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity",
          "websiteContent"
        ]
      }
    }
  },
  "action": {
    "default_title": "Save to Folium",
    "default_popup": "popup.html"
  }
}