Update example config

example-config.yaml

@@ -1,7 +1,7 @@
 # Homeserver details.
 homeserver:
     # The address that this appservice can use to connect to the homeserver.
-    address: http://localhost:8008
+    address: https://example.com
     # The domain of the homeserver (for MXIDs, etc).
     domain: example.com
 
@@ -60,6 +60,11 @@ appservice:
     # Requires MSC2409 support (i.e. Synapse 1.22+).
     ephemeral_events: true
 
+    # Should incoming events be handled asynchronously?
+    # This may be necessary for large public instances with lots of messages going through.
+    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
+    async_transactions: false
+
     # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
     as_token: "This value is generated when generating the registration"
     hs_token: "This value is generated when generating the registration"