refactors directory and file structure

Signed-off-by: neelanjan00 <neelanjan.manna@harness.io>

faults/kubernetes/pod-network-duplication/engine.yaml

@@ -0,0 +1,41 @@
+# chaosengine.yaml
+---
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-network-chaos
+  namespace: default
+spec:
+  # It can be active/stop
+  engineState: 'active'
+  appinfo:
+    appns: ''
+    # FYI, To see app label, apply kubectl get pods --show-labels
+    applabel: ''
+    appkind: ''
+  chaosServiceAccount: pod-network-duplication-sa
+  experiments:
+    - name: pod-network-duplication
+      spec:
+        components:
+          env:
+            - name: TOTAL_CHAOS_DURATION
+              value: '60' # in seconds
+
+            - name: NETWORK_PACKET_DUPLICATION_PERCENTAGE
+              value: '100'
+
+            # provide the name of container runtime
+            # for litmus LIB, it supports docker, containerd, crio
+            # for pumba LIB, it supports docker only
+            - name: CONTAINER_RUNTIME
+              value: 'containerd'
+
+            # provide the socket file path
+            - name: SOCKET_PATH
+              value: '/run/containerd/containerd.sock'
+
+            ## percentage of total pods to target
+            - name: PODS_AFFECTED_PERC
+              value: ''
+