feat(slack): Adding homelab slack channel

Can we please have a channel for homelab Kubernetes rigs?

The topic: Home hardware running Kubernetes community

I can update the topic and volunteer to triage any issues
 that come up.

Signed-off-by: Kris Nova <[email protected]>

Author: krisnova

communication/slack-config/channels.yaml

@@ -94,6 +94,7 @@ channels:
     id: C67TNP3FF
   - name: hephy-users
     id: C678BMZ89
+  - name: homelab
   - name: id-events
   - name: id-users
   - name: il-users