Added contact for ObsForum

Author: rachel3834

docs/observatories_forum.md

@@ -27,4 +27,7 @@ Topics will include:
   - Including TOM/marshal systems, community messaging & coordination services, visibility tools, 
     signal-to-noise/exposure time calculators etc
 - Recent and planned development
-  - Towards generalized APIs for proposal, observation requests across wavelengths
+  - Towards generalized APIs for proposal, observation requests across wavelengths
+
+### Questions?
+Please reach out to the workshop LOC at obsforum [at] lco.global.