chore: clean up readme

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/vars/addons.sample.yaml

@@ -19,6 +19,8 @@ kube_prometheus_stack:
 # https://github.com/kubernetes/dashboard
 kubernetes_dashboard:
   enabled: false
+  # Password can be obtained by running the following command once it is deployed:
+  # kubectl -n monitoring get secret kubernetes-dashboard -o jsonpath='{.data.token}' | base64 -d
 
 # https://github.com/weaveworks/weave-gitops
 weave_gitops: