Merge pull request #5097 from marquiz/devel/nfd

Add slack channel for node-feature-discovery

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -256,6 +256,7 @@ channels:
     archived: true
   - name: ncw-staff
   - name: nl-users
+  - name: node-feature-discovery
   - name: node-problem-detector
   - name: norw-users
   - name: octant