beta2.0-stash-rc4

This release introduces:

• extended & fixed Control panels
• expert mode (edit service configuration fully)
• many small to medium improvements for stability and UI
• compatible with The Merge with Teku & Geth

Scope

Suitable for testnet, suppored use cases:

• Solo staking: Setup a staking node with Lighthouse, Nimbus, Prysm or Teku and Besu, Geth or Nethermind
• Blox SSV: Setup an operator and connect to Lighthouse, Nimbus, Prysm or Teku
• The Merge compatibility

Includes monitoring with Prometheus & Grafana