sync namespace names with directory names

metallb-system/README.md

@@ -0,0 +1,15 @@
+# MetalLB
+
+## Derployment
+
+With ArgoCD. Render it locally:
+
+```sh
+kustomize build . --enable-helm
+```
+
+Eventually the external IP should show up here:
+
+```
+kubectl get svc -n traefik
+```