Directory restructure to add scenarios and experiments (#559)

* Updated dir struture with scenarios and experiments dir

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

* Added icons

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

experiments/generic/disk-fill/engine.yaml

@@ -0,0 +1,34 @@
+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: 'default'
+    applabel: 'app=nginx'
+    appkind: 'deployment'
+  chaosServiceAccount: disk-fill-sa
+  experiments:
+    - name: disk-fill
+      spec:
+        components:
+          env:
+            - name: TOTAL_CHAOS_DURATION
+              value: '60' 
+
+            # specify the fill percentage according to the disk pressure required
+            - name: FILL_PERCENTAGE
+              value: '80'
+
+            - name: PODS_AFFECTED_PERC
+              value: ''
+
+            # Provide the container runtime path
+            # Default set to docker container path
+            - name: CONTAINER_PATH
+              value: '/var/lib/docker/containers'