Examine source code of Deepmarks

{
  "update_url" : "https://clients2.google.com/service/update2/crx" ,
  "manifest_version" : 3 ,
  "name" : "Deepmarks",
  "version" : "2.2.10",
  "description" : "Save bookmarks to deepmarks.org and Nostr relays.",
  "icons" : {
    "16" : "icons/pennant-16.png",
    "32" : "icons/pennant-32.png",
    "48" : "icons/pennant-48.png",
    "128" : "icons/pennant-128.png"
  },
  "action" : {
    "default_title" : "Deepmarks — save bookmark",
    "default_popup" : "src/popup/index.html",
    "default_icon" : {
      "16" : "icons/pennant-16.png",
      "32" : "icons/pennant-32.png"
    }
  },
  "background" : {
    "service_worker" : "service-worker-loader.js" ,
    "type" : "module" 
  },
  "permissions" : [
    "storage" ,
    "tabs" ,
    "activeTab" ,
    "scripting" ,
    "alarms" 
  ],
  "host_permissions" : [
    "https://*/*" ,
    "http://*/*" 
  ],
  "content_scripts" : [
    {
      "js" : [
        "assets/nip07-provider.ts-CAJi0ktw.js" 
      ],
      "matches" : [
        "https://*/*" 
      ],
      "run_at" : "document_start" ,
      "world" : "MAIN" ,
      "all_frames" : false 
    },
    {
      "js" : [
        "assets/nip07-bridge.ts-C64LibL4.js" 
      ],
      "matches" : [
        "https://*/*" 
      ],
      "run_at" : "document_start" ,
      "all_frames" : false 
    }
  ],
  "web_accessible_resources" : [
    {
      "matches" : [
        "https://*/*" 
      ],
      "resources" : [
        "pennant.svg" ,
        "assets/nip07-provider.ts-CAJi0ktw.js" ,
        "assets/nip07-bridge.ts-C64LibL4.js" 
      ],
      "use_dynamic_url" : false 
    }
  ]
}