Added docs about running workers in production

docs/docs/workers.md

@@ -29,6 +29,9 @@ Each worker will process a single job at a time.  Within a worker, there is no
 concurrent processing going on.  If you want to perform jobs concurrently,
 simply start more workers.
 
+You should use process managers like [Supervisor](/patterns/supervisor/) or
+(systemd)[https://www.freedesktop.org/wiki/Software/systemd/] to run RQ workers in production.
+
 
 ### Burst Mode