Examine source code of Lagra Web Clipper

{
  "manifest_version": 3,
  "name": "Lagra Web Clipper",
  "version": "1.2.0",
  "description": "Save the current page to your self-hosted Lagra — as a bookmark, a card, a note, or an RSS subscription.",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_title": "Save to Lagra",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon-16.png",
      "32": "icon-32.png",
      "48": "icon-48.png",
      "128": "icon-128.png"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lagra-bookmarks@lagra.app",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}