Update docs/configuring-playbook-bridge-mautrix-wsproxy.md: add the common section "Troubleshooting"

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-bridge-mautrix-wsproxy.md

@@ -67,3 +67,7 @@ ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,ensure-matrix-use
 ## Usage
 
 Follow the [mautrix-imessage documenation](https://docs.mau.fi/bridges/go/imessage/index.html) for running `android-sms` and/or `matrix-imessage` on your device(s).
+
+## Troubleshooting
+
+As with all other services, you can find the logs in [systemd-journald](https://www.freedesktop.org/software/systemd/man/systemd-journald.service.html) by logging in to the server with SSH and running `journalctl -fu matrix-mautrix-wsproxy`.