Examine source code of Zima Dock

{
  "manifest_version": 3,
  "name": "Zima Dock",
  "version": "1.3.15",
  "description": "Launch and manage your ZimaOS and CasaOS home servers from the toolbar — multi-node login, app shortcuts, and status at a glance.",
  "browser_specific_settings": {
    "gecko": {
      "id": "zimadock@zima-dock.app",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "default-src 'self'; script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' http: https: data: blob:; connect-src 'self' http: https: ws: wss: blob:;"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Zima Dock",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}