(feat): Adding Openebs pool network delay chart (#135)

* (feat): Adding openebs target network delay chaos chart

Signed-off-by: Raj <raj.das@mayadata.io>

charts/openebs/openebs-pool-network-delay/engine.yaml

@@ -0,0 +1,34 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: pool-chaos
+  namespace: default
+spec:
+  annotationCheck: 'false'
+  appinfo:
+    appns: 'default'
+    applabel: 'app=nginx'
+    appkind: 'deployment'
+  chaosServiceAccount: nginx-sa
+  monitoring: false
+  # It can be delete/retain
+  jobCleanUpPolicy: 'delete'
+  experiments:
+    - name: openebs-pool-network-delay
+      spec:
+        components:
+          env:
+            - name: APP_PVC
+              value: 'demo-nginx-claim' 
+
+            - name: OPENEBS_NAMESPACE
+              value: 'openebs'
+             
+            # in milliseconds
+            - name: NETWORK_DELAY
+              value: '60000'
+
+            # in milliseconds  
+            - name: TOTAL_CHAOS_DURATION
+              value: '60000'
+