Add sample worker files for `pusher` and `federation_sender` (#14077)

Signed-off-by: Dirk Klimpel <dirk@klimpel.org>

changelog.d/14077.doc

+Add sample worker files for `pusher` and `federation_sender`.

docs/systemd-with-workers/workers/federation_sender.yaml

+worker_app: synapse.app.federation_sender
+worker_name: federation_sender1
+
+# The replication listener on the main synapse process.
+worker_replication_host: 127.0.0.1
+worker_replication_http_port: 9093
+
+worker_log_config: /etc/matrix-synapse/federation-sender-log.yaml

docs/systemd-with-workers/workers/pusher_worker.yaml

+worker_app: synapse.app.pusher
+worker_name: pusher_worker1
+
+# The replication listener on the main synapse process.
+worker_replication_host: 127.0.0.1
+worker_replication_http_port: 9093
+
+worker_log_config: /etc/matrix-synapse/pusher-worker-log.yaml

docs/workers.md

@@ -488,6 +488,12 @@ pusher_instances:
     - pusher_worker2
 ```
 
+An example for a pusher instance:
+
+```yaml
+{{#include systemd-with-workers/workers/pusher_worker.yaml}}
+```
+
 
 ### `synapse.app.appservice`
 
@@ -518,6 +524,12 @@ federation_sender_instances:
     - federation_sender2
 ```
 
+An example for a federation sender instance:
+
+```yaml
+{{#include systemd-with-workers/workers/federation_sender.yaml}}
+```
+
 ### `synapse.app.media_repository`
 
 Handles the media repository. It can handle all endpoints starting with: