Update README to include --no-taint

Updating doc to reflect work done on commit
a68c7d4871db91edf7f7dbd69ee273cbbc8181af1

README.md

@@ -146,6 +146,7 @@ kube-capacity --pods --containers --util --output yaml
       --kubeconfig string         kubeconfig file to use for Kubernetes config
   -n, --namespace string          only include pods from this namespace
       --namespace-labels string   labels to filter namespaces with
+      --no-taint                  exclude nodes with taints
       --node-labels string        labels to filter nodes with
   -o, --output string             output format for information
                                     (supports: [table json yaml])