adding documentation for MetalLB

Signed-off-by: John Lockman <jlockman3@gmail.com>

docs/metalLB/README.md

@@ -0,0 +1,10 @@
+# MetalLB 
+
+MetalLB is a load-balancer implementation for bare metal Kubernetes clusters, using standard routing protocols.
+https://metallb.universe.tf/
+
+Omnia installs MetalLB by manifest in the playbook `startservices`. A default configuration is provdied for layer2 protocol and an example for providing an address pool. Modify metal-config.yaml to suit your network requirements and apply the changes using with: 
+
+``` 
+kubectl apply -f metal-config.yaml
+```

docs/metalLB/metal-config.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  namespace: metallb-system
+  name: config
+data:
+  config: |
+    address-pools:
+    - name: default
+      protocol: layer2
+      addresses:
+      - 192.168.2.150/32
+      - 192.168.2.151/32
+      - 192.168.2.152/32
+      - 192.168.2.153/32
+      - 192.168.2.154/32
+      - 192.168.2.155/32
+      - 192.168.2.156/32
+      - 192.168.2.157/32
+      - 192.168.2.158/32
+      - 192.168.2.159/32