Examine source code of Neatlink - Cross-Browser Bookmark Sync

{
  "manifest_version" : 3 ,
  "name" : "Neatlink - Cross-Browser Bookmark Sync",
  "short_name" : "Neatlink",
  "version" : "0.9.8",
  "description" : "Sync your bookmarks across Chrome, Edge, Firefox and Safari through your own Google Drive. Encrypted, free, no Neatlink account.",
  "permissions" : [
    "storage" ,
    "tabs" ,
    "activeTab" ,
    "bookmarks" ,
    "alarms" ,
    "scripting" 
  ],
  "host_permissions" : [
    "http://*/*" ,
    "https://*/*" ,
    "https://www.googleapis.com/*" ,
    "https://oauth.neatlink.app/*" 
  ],
  "web_accessible_resources" : [
    {
      "resources" : [
        "favicon_content.js" ,
        "oauth-callback-content.js" 
      ],
      "matches" : [
        "<all_urls>" 
      ]
    }
  ],
  "content_scripts" : [
    {
      "matches" : [
        "https://oauth.neatlink.app/callback*" ,
        "https://neatlink.app/c/*" ,
        "https://www.neatlink.app/c/*" 
      ],
      "js" : [
        "oauth-callback-content.js" 
      ],
      "run_at" : "document_end" 
    },
    {
      "matches" : [
        "https://neatlink.app/*" ,
        "https://www.neatlink.app/*" 
      ],
      "js" : [
        "device-id-content.js" 
      ],
      "run_at" : "document_end" ,
      "all_frames" : true 
    }
  ],
  "commands" : {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "MacCtrl+Shift+Y"
      },
      "description" : "Open Neatlink"
    }
  },
  "action" : {
    "default_popup" : "popup.html?mode=popup",
    "default_title" : "Neatlink",
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png"
    }
  },
  "sidebar_action": {
    "default_panel": "popup.html?mode=sidebar",
    "default_title" : "Neatlink",
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png"
    },
    "open_at_install": false
  },
  "background" : {
    "scripts" : [
      "bg/diagnostics.js" ,
      "bg/StorageQueue.js" ,
      "bg/MetadataStore.js" ,
      "bg/SafariJoinAdapter.js" ,
      "bg/utils.js" ,
      "bg/favicons.js" ,
      "bg/storage.js" ,
      "bg/bookmarkBridge.js" ,
      "bg/browserBookmarks.js" ,
      "modules/FolderTree.js" ,
      "bg/folders.js" ,
      "bg/bookmarks.js" ,
      "bg/SyncStateManager.js" ,
      "bg/SyncUtils.js" ,
      "bg/FolderController.js" ,
      "bg/BookmarkController.js" ,
      "bg/MessageRouter.js" ,
      "bg/BrowserSync.js" ,
      "bg/OAuthManager.js" ,
      "bg/GoogleDriveAPI.js" ,
      "bg/CloudSyncEncryption.js" ,
      "bg/CloudSyncSchema.js" ,
      "bg/NativeSyncDetector.js" ,
      "bg/FaviconSync.js" ,
      "bg/BackupManager.js" ,
      "bg/CloudSync.js" ,
      "bg/SyncQueue.js" ,
      "bg/CollectionSharing.js" ,
      "bg/MetadataChangeBridge.js" ,
      "bg/FaviconSources.js" ,
      "bg/FaviconBackfill.js" ,
      "background.js" 
    ]
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": true
  },
  "icons" : {
    "16" : "icons/icon-16.png",
    "32" : "icons/icon-32.png",
    "48" : "icons/icon-48.png",
    "128" : "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hello@neatlink.app",
      "data_collection_permissions": {
        "required": [
          "bookmarksInfo",
          "authenticationInfo"
        ]
      }
    }
  }
}