message: updated discord badge
  badgen.net recently just added discord so updating to match your other badges.
diff: [![npm](https://badgen.net/npm/v/homebridge-config-ui-x/latest)](https://www.npmjs.com/package/homebridge-config-ui-x)
  [![npm](https://badgen.net/npm/dt/homebridge-config-ui-x)](https://www.npmjs.com/package/homebridge-config-ui-x)
  -[![Discord](https://img.shields.io/discord/432663330281226270?color=728ED5&logo=discord&label=discord)](https://discord.gg/C87Pvq3)
  +[![Discord](https://badgen.net/discord/online-members/kqNCe2D?icon=discord&label=discord)](https://discord.gg/C87Pvq3)
  [![Donate](https://badgen.net/badge/donate/paypal/yellow)](https://paypal.me/oznu)
  Supported Languages: :gb: :de: :fr: :poland: :czech_republic: :ru: :cn: :hungary: :jp: :es: :netherlands: :tr: :it: :bulgaria: :sweden: :norway: :slovenia: :brazil: :portugal: :indonesia: :kr: :macedonia:
  