Create validator report and send it through telegram as a notification

[pablomendezroyo]

Create validator report and send it through telegram as a notification:

What notifications to send?

• Missed attestation
• "Missed/proposed block": unlikely to happen
• Missed sync comettee
• Block proposed
• Sync committee participation

When to send the notification?: when attestation missed. Send maximum 1 notification (should include all validators's misses) every hour. When attestation proposed again send a "validator is back" notification

What to include in the report?

• Node is synced or not
• Peers count
• Clients selected
• Cpu from the moment of the attestation missed
• Temperature from the moment of the attestation missed
• Disk space from the moment of the attestation missed
  • Check weather the disk model is included in the ugly list
  • Use atom or similar tool to determine if the disk is a bottleneck
• RAM from the moment of the attestation missed
• Logs from the attestation time missed
• Useful links:
  • Dms dashboards UI
  • Discord support link

cc: @Marketen @dappnodedev