refactors directory and file structure

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

faults/kubernetes/pod-io-stress/engine.yaml

@@ -0,0 +1,39 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  # It can be active/stop
+  engineState: 'active'
+  appinfo:
+    appns: ''
+    applabel: ''
+    appkind: ''
+  chaosServiceAccount: pod-io-stress-sa
+  experiments:
+    - name: pod-io-stress
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '120'
+
+            ## specify the size as percentage of free space on the file system
+            - name: FILESYSTEM_UTILIZATION_PERCENTAGE
+              value: '10'
+
+            ## Percentage of total pods to target
+            - name: PODS_AFFECTED_PERC
+              value: ''
+
+             ## provide the cluster runtime
+            - name: CONTAINER_RUNTIME
+              value: 'containerd'
+
+            # provide the socket file path
+            - name: SOCKET_PATH
+              value: '/run/containerd/containerd.sock'
+