update examples

demo/mutate_patch/ep.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: Endpoints
 metadata:
-  name: test-endpoint
+  name: demo-endpoint
   labels:
     label : test
 subsets:

demo/mutate_patch/policy_patch.yaml

@@ -4,7 +4,7 @@ metadata :
   name : policy-endpoints
 spec :
   rules:
-    - name: pEP
+    - name: demo-ep
       resource:
         kinds : 
         - Endpoints

demo/qos/qos.yaml

@@ -2,8 +2,6 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: qos-demo
-  # labels:
-  #   app: nginx
 spec:
   replicas: 1
   selector:

demo/security_context/busybox.yaml

@@ -8,11 +8,11 @@ spec:
   replicas: 1
   selector:
     matchLabels:
-      app: nginx
+      app: psp
   template:
     metadata:
       labels:
-        app: nginx
+        app: psp
     spec:
       volumes:
       - name: sec-ctx-vol