Added missing cluster name variable (#142)

* Added missing cluster name variable

Added missing cluster name variable.

* update docs

Author: sotoiwa

docs/helpers/new-eks-cluster.md

@@ -33,6 +33,14 @@ Specify the AWS Region where the resources will be deployed:
 export TF_VAR_aws_region=xxx
 ```
 
+### 3. Cluster Name
+
+Specify the name of your EKS cluster:
+
+```bash
+export TF_VAR_cluster_name=xxx
+```
+
 ## Deploy
 
 Simply run this command to deploy the example

examples/eks-cluster-with-vpc/README.md

@@ -47,7 +47,8 @@ terraform init
 Verify the resources created by this execution
 
 ```sh
-export TF_VAR_aws_region=<ENTER YOUR REGION>   # Select your own region
+export TF_VAR_aws_region=<ENTER YOUR REGION>           # Select your own region
+export TF_VAR_cluster_name=<ENTER YOUR CLUSTER NAME>   # Enter your cluster name
 terraform plan
 ```