Added a link to the training page of the wiki

README.md

 # IOC Deployment and Troubleshooting
 
-This repo contains instructions for Session 2 of the Practical Beamline Controls Training.
+This repo contains instructions for [Session 2 of the Practical Beamline Controls Training](https://wiki-ext.aps.anl.gov/blc/index.php?title=Practical_Beamline_Controls_Training#IOC_Deployment_.26_Troubleshooting).
 
 ## Assumptions