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/gcp/gcp.chartserviceversion.yaml

@@ -0,0 +1,42 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: gcp
+  version: 0.1.0
+  annotations:
+    categories: gcp
+spec:
+  displayName: gcp chaos
+  categoryDescription: >
+    GCP contains chaos to disrupt state of gcp resources running part of the gcp services
+  experiments:
+    - name: gcp-vm-instance-stop
+      description: ""
+    - name: gcp-vm-disk-loss
+      description: ""
+    - name: gcp-vm-instance-stop-by-label
+      description: ""
+    - name: gcp-vm-disk-loss-by-label
+      description: ""
+  keywords:
+    - "VM"
+    - "Disk"
+    - "GCP"
+    - "Infra"
+  maintainers:
+    - name: Neelanjan Manna
+      email: neelanjan.manna@harness.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Harness
+  links:
+    - name: GCP Website
+      url: https://cloud.google.com/
+    - name: Documentation
+      url: https://litmuschaos.github.io/litmus/experiments/categories/contents/#cloud-infrastructure
+    - name: Community Slack
+      url: https://app.slack.com/client/T09NY5SBT/CNXNB0ZTN
+  icon:
+    - url:
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/gcp/experiments.yaml