Rename config-example.yaml to config.yaml, modify configuration.
TELEGRAM:
ACCESS_TOKEN: "{your bot access token}"
CHAT:
ID: {your chat id. Reference: https://www.freecodecamp.org/news/telegram-push-notifications-58477e71b2c2/}
validator_url:
- "https://beaconcha.in/dashboard/data/validators?validators={validator_index_1,validator_index_2}