Update teams.yaml for adding niranjandarshann

Author: Niranjan Darshan

config/kubernetes/sig-docs/teams.yaml

@@ -100,6 +100,7 @@ teams:
     - bishal7679
     - dipesh-rawat    
     - divya-mohan0209
+    - niranjandarshann
     privacy: closed
   sig-docs-id-owners:
     description: Approvers for Indonesian content