Mautrix telegram minimum config variable requirement

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

@@ -3,3 +3,10 @@
 The playbook can install and configure [mautrix-telegram](https://github.com/tulir/mautrix-telegram) for you.
 
 See that project's [documentation](https://github.com/tulir/mautrix-telegram/wiki#usage) to learn what it does and why it might be useful to you.
+
+You'll need to obtain API keys from `https://my.telegram.org/apps` and then use the following playbook configuration:
+```
+matrix_mautrix_telegram_enabled: true
+matrix_mautrix_telegram_api_id: YOUR_TELEGRAM_APP_ID
+matrix_mautrix_telegram_api_hash: YOUR_TELEGRAM_API_HASH
+```

roles/matrix-server/tasks/setup_synapse_ext_mautrix_telegram.yml

@@ -63,6 +63,6 @@
 
 - name: Ensure matrix-mautrix-telegram.service doesn't exist
   file:
-    path: "{{ role_path }}/templates/systemd/matrix-mautrix-telegram.service"
+    path: "/etc/systemd/system/matrix-mautrix-telegram.service"
     state: absent
   when: "not matrix_mautrix_telegram_enabled"