refactors directory and file structure

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

faults/kubernetes/pod-autoscaler/engine.yaml

@@ -0,0 +1,29 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  # It can be active/stop
+  engineState: 'active'
+  #ex. values: ns1:name=percona,ns2:run=nginx
+  auxiliaryAppInfo: ''
+  appinfo:
+    appns: ''
+    applabel: ''
+    appkind: ''
+  chaosServiceAccount: pod-autoscaler-sa
+  experiments:
+    - name: pod-autoscaler
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '60'
+
+            # number of replicas to scale
+            - name: REPLICA_COUNT
+              value: '5'
+