Add OpenTofu example (#2)

* Add readme

* Add OpenTofu example

---------

Co-authored-by: Fedor Batonogov <f.batonogov@yandex.ru>

opentofu/test_vm/vm-01.tf

@@ -0,0 +1,66 @@
+# Машинка
+resource "proxmox_virtual_environment_vm" "vm-01" {
+  name        = "vm-01"
+  description = "Managed by OpenTofu"
+  tags        = ["opentofu", "test"]
+  on_boot     = true
+
+  # Указываем целевой узел, на котором будет запущена ВМ
+  node_name = "pve-01"
+
+  # Шоблон из которого будет создавать ВМ
+  clone {
+    vm_id     = "9000"
+    node_name = "pve-01"
+    retries   = 2
+  }
+
+  # Активируем QEMU для этов ВМ
+  agent {
+    enabled = true
+  }
+
+  operating_system {
+    type = "l26"
+  }
+
+  cpu {
+    cores = 4
+    type  = "host"
+    numa  = true
+  }
+
+  memory {
+    dedicated = 4096
+  }
+
+  disk {
+    size         = "40"
+    interface    = "virtio0"
+    datastore_id = "proxmox-data-02"
+    file_format  = "raw"
+  }
+
+  network_device {
+    bridge = "vmbr0"
+    model  = "virtio"
+  }
+
+  initialization {
+    datastore_id = "proxmox-data-02"
+    ip_config {
+      ipv4 {
+        address = "dhcp"
+      }
+    }
+    dns {
+      servers = ["77.88.8.8"]
+    }
+    user_account {
+      username = "infra"
+      keys = [
+        "ssh-rsa..."
+      ]
+    }
+  }
+}