RIP Gudrun, you had left cat-shaped hole in all of us <3

Some work on `logger_udp` to provide logging to UDP sinks in Erlang.

--

+ Added integration tests against Postgres.js to the Supavisor
+ First week as a semi-sole maintainer of Supavisor project

* Prepare Node's `pg` library for integration testing in Supavisor

- Dogfooding project for now is dead in the water.