feat(opentofu): define bare-metal host configuration

opentofu/nodes/mikoshi/main.tf

@@ -0,0 +1,30 @@
+terraform {
+  required_providers {
+    proxmox = {
+      source  = "bpg/proxmox"
+      version = "~> 0.61.0"
+    }
+  }
+}
+
+provider "proxmox" {
+  # Endpoint and credentials will be picked up from environment variables 
+  # or passed via the bootstrap script.
+  # PROXMOX_VE_ENDPOINT
+  # PROXMOX_VE_USERNAME 
+  # PROXMOX_VE_PASSWORD
+  # PROXMOX_VE_INSECURE=true
+}
+
+module "proxmox_node" {
+  source = "../../modules/proxmox-node"
+  node_name = "mikoshi"
+  data_disk_id = "nvme-KXG80ZNV2T04_NVMe_KIOXIA_2048GB_241C11Y5EHAK"
+  zfs_pool_name = "data"
+}
+
+output "control_center_api_token" {
+  value       = module.proxmox_node.control_center_api_token
+  sensitive   = true
+  description = "The secret API token for control-center@pve."
+}