v2.3.1 Release of npmGrafStats

This release fixes the problem of npmGrafStats stopping

Main Changes

• fix stop working after some time #2 (close client connection and use tail -F instead of tail -f)
• add github registry
• add docker-compose restart: unless-stopped

For all changes see: changelog.md

Breaking changes!

• None!

Update-Process

1. pull the latest image and recreate npmgrafstats