feat: add documentation for castai_enterprise_group resource and modules.json for GKE cluster

Author: 0msokolowski0

docs/resources/enterprise_group.md

@@ -0,0 +1 @@
+{"Modules":[{"Key":"","Source":"","Dir":"."},{"Key":"castai-gke-cluster","Source":"registry.terraform.io/castai/gke-cluster/castai","Version":"9.0.2","Dir":".terraform/modules/castai-gke-cluster"},{"Key":"castai-gke-iam","Source":"registry.terraform.io/castai/gke-iam/castai","Version":"0.5.0","Dir":".terraform/modules/castai-gke-iam"},{"Key":"gke","Source":"registry.terraform.io/terraform-google-modules/kubernetes-engine/google","Version":"20.0.0","Dir":".terraform/modules/gke"},{"Key":"gke.gcloud_delete_default_kube_dns_configmap","Source":"registry.terraform.io/terraform-google-modules/gcloud/google//modules/kubectl-wrapper","Version":"3.5.0","Dir":".terraform/modules/gke.gcloud_delete_default_kube_dns_configmap/modules/kubectl-wrapper"},{"Key":"gke.gcloud_delete_default_kube_dns_configmap.gcloud_kubectl","Source":"../..","Dir":".terraform/modules/gke.gcloud_delete_default_kube_dns_configmap"},{"Key":"vpc","Source":"registry.terraform.io/terraform-google-modules/network/google","Version":"5.0.0","Dir":".terraform/modules/vpc"},{"Key":"vpc.firewall_rules","Source":"./modules/firewall-rules","Dir":".terraform/modules/vpc/modules/firewall-rules"},{"Key":"vpc.routes","Source":"./modules/routes","Dir":".terraform/modules/vpc/modules/routes"},{"Key":"vpc.subnets","Source":"./modules/subnets","Dir":".terraform/modules/vpc/modules/subnets"},{"Key":"vpc.vpc","Source":"./modules/vpc","Dir":".terraform/modules/vpc/modules/vpc"}]}