[docs/configure/logging] include detail about multiple log filters (#100888)

docs/sources/setup-grafana/configure-grafana/_index.md

@@ -1515,6 +1515,16 @@ Options are `debug`, `info`, `warn`, `error`, and `critical`. Default is `info`.
 Optional settings to set different levels for specific loggers.
 For example: `filters = sqlstore:debug`
 
+You can use multiple filters with a comma-seperated list:
+For example: `filters = sqlstore:debug,plugins:info`
+
+The equivalent for a `docker-compose.yaml` looks like this:
+
+```
+GF_LOG_FILTERS: sqlstore:debug,plugins:info
+GF_LOG_LEVEL: error
+```
+
 #### `user_facing_default_error`
 
 Use this configuration option to set the default error message shown to users. This message is displayed instead of sensitive backend errors, which should be obfuscated. The default message is `Please inspect the Grafana server log for details.`.