Added link to SIG-docs youtube channel

sig-docs/README.md

@@ -14,7 +14,7 @@ Covers documentation, doc processes, and doc publishing for Kubernetes.
 * [Tuesdays at 17:30 UTC](https://zoom.us/j/678394311) (biweekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=17:30&tz=UTC).
 
 Meeting notes and Agenda can be found [here](https://docs.google.com/document/d/1Ds87eRiNZeXwRBEbFr6Z7ukjbTow5RQcNZLaSvWWQsE/edit).
-Meeting recordings can be found [here]().
+Meeting recordings can be found [here](https://www.youtube.com/playlist?list=PL69nYSiGNLP3b5hlx0YV7Lo7DtckM84y8).
 
 ## Leads
 * Devin Donnelly (**[@devin-donnelly](https://github.com/devin-donnelly)**), Google