* client/authority-discovery: Add smoke tests for intervall_at
* client/authority-discovery: Fix interval_at to fire on start
* .maintain/sentry-node: Update docker compose file
* client: Introduce --sentry-nodes flag
Enable operators to specify the public addresses of sentry nodes infront
of a validator node so that the validator node can announce the sentry
node addresses instead of its own public addresses on the DHT via the
authority discovery module.
* client/authority-discovery: Break lines at 100 characters
Limit line length to 100 instead of 120 characters.