Makes the tests
```
Can get rooms/{roomId}/members at a given point
Can filter rooms/{roomId}/members
```
pass, by moving `/members` and `/joined_members` to the SyncAPI.
* Created polylith reverse proxy sample for Hiawatha
* Create monolith-sample.conf
* Added timeout to proxies and binding explanation.
* Fixed typo.
* Consistency with regards to polylith-sample.conf.