Sonos custom card

Customize media player for sonos speakers!

Features:

• Group/Ungroup speakers
• Control multiple speaker
• Play favorites from list

Example lovelace yaml:

views:
- title: "Sonos"
    icon: mdi:speaker
    id: muziek
    panel: true
    cards:
      - type: "custom:custom-sonos-card"
        name: "Sonos"
        entities:
          - media_player.player1
          - media_player.player2

This card requires type: module.

resources:
  - url: /local/custom-sonos-card.js?v=1.0
    type: module