add notes for PKS k8s cluster installations (kubernetes#58)

Signed-off-by: saravanan palanisamy <[email protected]>

Co-authored-by: Calvin Weng <[email protected]>

docs/user_guides/installation.md

@@ -106,6 +106,15 @@ Depending on your environment, there are two methods of installing Chaos Mesh:
      helm install chaos-mesh chaos-mesh/chaos-mesh --namespace=chaos-testing
      ```
 
+     > **Note:**
+     >
+     >Depending on your Kubernetes edition, you may have to change the default values.
+     > For example, the Docker socket path is different in PKS Kubernetes clusters (VMware K8s Enterprise edition).
+
+     ```bash
+     helm install chaos-mesh chaos-mesh/chaos-mesh --namespace=chaos-testing --set chaosDaemon.socketPath=/var/vcap/sys/run/docker/docker.sock
+     ```
+
   3. Check whether Chaos Mesh pods are installed:
 
      ```bash