Deploy Relay container for Sentry

Summary:
Since Sentry 10, a Relay server is required as a middle layer
between the application and sentry.io. Relay also takes care
of remove personally identifiable information (PII) before
the event is sent to Sentry.

Requests to /api/store and to /api/<some digits> go to Relay.

Ref T1791

Test Plan: Deploy to docker-002

Reviewers: dereckson

Reviewed By: dereckson

Maniphest Tasks: T1791

Differential Revision: https://devcentral.nasqueron.org/D2888