Add api-origin to example config

config.example.ini

@@ -106,6 +106,11 @@ webhooks=redis://localhost:6379/1
 # sr.ht instance so you probably want to patch these before enabling this.
 welcome-emails=no
 
+#
+# Origin URL for the API
+# By default, the API port is 100 more than the web port
+api-origin=http://localhost:5100
+
 [meta.sr.ht::api]
 #
 # Maximum complexity of GraphQL queries. The higher this number, the more work