feat: add opentofu basic setup

opentofu/vms/providers.tf

@@ -0,0 +1,21 @@
+# docs: https://registry.terraform.io/providers/bpg/proxmox/latest/docs
+
+terraform {
+  required_providers {
+    proxmox = {
+      source = "bpg/proxmox"
+      version = "0.43.2"
+    }
+  }
+}
+
+provider "proxmox" {
+  endpoint  = var.proxmox_api_endpoint
+  api_token = var.proxmox_api_token
+  insecure  = true
+  tmp_dir  = "/var/tmp"
+  ssh {
+    agent    = true
+    username = "robo"
+  }
+}