docs(deploy): add delete permission for limitranges resource

Adds the delete verb for limitranges in the deploy.yaml file. This
change allows for the deletion of the specific resource named
"extreme-request-defaults," enabling better resource management
and cleanup in the deployment process.

example/deploy.yaml

@@ -17,6 +17,10 @@ rules:
   - apiGroups: [""]
     resources: ["limitranges"]
     verbs: ["list","create"]
+  - apiGroups: [""]
+    resources: ["limitranges"]
+    verbs: ["delete"]
+    resourceNames: ["extreme-request-defaults"]
 
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