Added link to custom instrumentation to help users get the most out of the integration (#11224)

Author: antonpirker

docs/platforms/python/integrations/dramatiq/index.mdx

@@ -5,7 +5,7 @@ description: "Learn how to import and use the Dramatiq integration."
 
 The Dramatiq integration adds support for the [Dramatiq](https://dramatiq.io/) background tasks library.
 
-The Dramatiq integration only reports errors. Tracing is not yet supported.
+The Dramatiq integration only reports errors. Tracing is not yet supported. If you want to have more instrumentation, you need to do [custom instrumentation](/platforms/python/tracing/instrumentation/custom-instrumentation/).
 
 <Alert level="info">
   This is the successor of the original `DramatiqIntegration` that can be found here: https://github.com/jacobsvante/sentry-dramatiq