Add sig-inst meeting recordings link

Author: richabanker

sig-instrumentation/README.md

@@ -16,6 +16,7 @@ The [charter](charter.md) defines the scope and governance of the Instrumentatio
 *Joining the [mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-instrumentation) for the group will typically add invites for the following meetings to your calendar.*
 * Regular SIG Meeting: [Thursdays at 9:30 PT (Pacific Time)](https://zoom.us/j/5342565819?pwd=RlVsK21NVnR1dmE3SWZQSXhveHZPdz09) (biweekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=9%3A30&tz=PT%20%28Pacific%20Time%29).
   * [Meeting notes and Agenda](https://docs.google.com/document/d/1FE4AQ8B49fYbKhfg4Tx0cui1V0eI4o3PxoqQPUwNEiU/edit?usp=sharing).
+  * [Meeting recordings](https://www.youtube.com/playlist?list=PL69nYSiGNLP1tue6RXLncPTGjfnBVHP-f).
 * Regular Triage Meeting: [Thursdays at 9:30 PT (Pacific Time)](https://zoom.us/j/5342565819?pwd=RlVsK21NVnR1dmE3SWZQSXhveHZPdz09) (biweekly - alternating with regular meeting). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=9%3A30&tz=PT%20%28Pacific%20Time%29).
   * [Meeting notes and Agenda](https://docs.google.com/document/d/1FE4AQ8B49fYbKhfg4Tx0cui1V0eI4o3PxoqQPUwNEiU/edit?usp=sharing).
 

sigs.yaml

@@ -1903,6 +1903,7 @@ sigs:
     frequency: biweekly
     url: https://zoom.us/j/5342565819?pwd=RlVsK21NVnR1dmE3SWZQSXhveHZPdz09
     archive_url: https://docs.google.com/document/d/1FE4AQ8B49fYbKhfg4Tx0cui1V0eI4o3PxoqQPUwNEiU/edit?usp=sharing
+    recordings_url: https://www.youtube.com/playlist?list=PL69nYSiGNLP1tue6RXLncPTGjfnBVHP-f
   - description: Regular Triage Meeting
     day: Thursday
     time: "9:30"