feat: use nginx proxy, config for public rooms (fedi)

See #38.

abra.sh

@@ -1,10 +1,13 @@
 export DISCORD_BRIDGE_YAML_VERSION=v2
 export ENTRYPOINT_CONF_VERSION=v1
-export HOMESERVER_YAML_VERSION=v23
+export HOMESERVER_YAML_VERSION=v24
 export LOG_CONFIG_VERSION=v2
 export SHARED_SECRET_AUTH_VERSION=v1
 export SIGNAL_BRIDGE_YAML_VERSION=v4
 export TELEGRAM_BRIDGE_YAML_VERSION=v6
+export NGINX_CONFIG_VERSION=v4
+export WK_SERVER_VERSION=v1
+export WK_CLIENT_VERSION=v1
 
 set_admin () {
     admin=akadmin