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/node-cpu-hog/engine.yaml

@@ -0,0 +1,37 @@
+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: ''
+  chaosServiceAccount: node-cpu-hog-sa
+  experiments:
+    - name: node-cpu-hog
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '60'
+            
+            ## ENTER THE NUMBER OF CORES OF CPU FOR CPU HOGGING
+            ## OPTIONAL VALUE IN CASE OF EMPTY VALUE IT WILL TAKE NODE CPU CAPACITY 
+            - name: NODE_CPU_CORE
+              value: '1'
+
+            ## LOAD CPU WITH GIVEN PERCENT LOADING FOR THE CPU STRESS WORKERS. 
+            ## 0 IS EFFECTIVELY A SLEEP (NO LOAD) AND 100 IS FULL LOADING
+            - name: CPU_LOAD
+              value: '0'
+            
+            ## percentage of total nodes to target
+            - name: NODES_AFFECTED_PERC
+              value: ''
+
+            # provide the comma separated target node names
+            - name: TARGET_NODES
+              value: ''