update readme with pgadmin logging options

followup from khezen#23

Author: cadbox1

README.md

@@ -34,4 +34,14 @@ This Compose file contains the following environment variables:
 * **Host name/address** `postgres`
 * **Port** `5432`
 * **Username** as `POSTGRES_USER`, by default: `postgres`
-* **Password** as `POSTGRES_PASSWORD`, by default `changeme`
+* **Password** as `POSTGRES_PASSWORD`, by default `changeme`
+
+## Logging
+pgAdmin logs can be quite verbose and there's no application setting to control them but we can disable them at a docker level if they bother you.
+
+Add the following to the `pgadmin` service in the `docker-compose.yml` so it looks like [this](https://github.com/khezen/compose-postgres/pull/23/files):
+
+```
+logging:
+  driver: "none"
+```