Examine source code of Artesgo Bookmarks

{
  "name": "Artesgo Bookmarks",
  "description": "My own bookmarks extension",
  "version": "1.5",
  "manifest_version": 3,
  "permissions": [
    "bookmarks",
    "storage"
  ],
  "action": {
    "default_popup": "index.html#popup"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "images/bookmark--16.png",
    "32": "images/bookmark--32.png",
    "48": "images/bookmark--48.png",
    "64": "images/bookmark--64.png",
    "128": "images/bookmark--128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "artesgo@bookmarks"
    }
  }
}