This is still very far from usable.
Various bridges and bots are still talking to
`matrix-nginx-proxy` instead of the new `matrix-homeserver-proxy` role.
These services need to be reworked. While reworking them,
various cleanups are being done as well as adding Traefik-labels to
those that need them.
This container needs a writable $HOME, and will fail at startup if
there isn't one.
Provide one by pointing HOME to a path under the mounted /data
directory.
