feat: add node pool module and use it for new node pool

modules/node-pool/v1/variables.tf

@@ -0,0 +1,40 @@
+variable "network_id" {
+  type = string
+}
+
+variable "placement_group_id" {
+  type = string
+}
+
+variable "size" {
+  type = number
+}
+
+variable "server_type" {
+  type = string
+}
+
+variable "location" {
+  type = string
+}
+
+variable "image" {
+  type = string
+}
+
+variable "cluster_name" {
+  type = string
+}
+
+variable "ssh_key_ids" {
+  type = list(string)
+}
+
+variable "subnet_cidr" {
+  type = string
+}
+
+variable "primary_ip_auto_delete" {
+  type    = bool
+  default = true
+}