Flex Subnetting - Subnet Calculator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Flex Subnetting - Subnet Calculator",
  "short_name": "Flexnet",
  "description": "IPv4 VLSM Subnet Calculator",
  "version": "1.3.3",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "options_page": "options.html",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": "icon16.png"
  },
  "permissions": [
    "storage",
    "identity"
  ],
  "host_permissions": [
    "https://www.googleapis.com/"
  ],
  "oauth2": {
    "client_id": "806780691106-lhnaqucc136tjdmbahv2g502ilf3utvg.apps.googleusercontent.com",
    "scopes": [
      "https://www.googleapis.com/auth/plus.login",
      "https://www.googleapis.com/auth/chromewebstore.readonly"
    ]
  },
  "offline_enabled": true,
  "default_locale": "en"
}