Fix index.md for new outreach page under explore_analyze (#75)

* Fix index in explore-analysis

* Minor text edit

Author: leesuyee

docs/source/explore_analyze/index.md

@@ -16,13 +16,13 @@ orphan: true
 
 [Explore custom tools](analyze_data.md#custom-tools) for annotation and data exploration.
 
-[Find workshops](workshops.md).
+[Find outreach events](outreach.md).
 
 ```{toctree}
 :hidden:
 
 quality_control
 find_data
 analyze_data
-workshops
+outreach
 ```