Added virtual machines and talos config to create a three node cluster

providers.tf

@@ -0,0 +1,22 @@
+terraform {
+        required_providers {
+                proxmox = {
+                        source = "telmate/proxmox"
+                        version = "3.0.1-rc4"
+                }
+                talos = {
+                        source = "siderolabs/talos"
+                        version = "0.7.0-alpha.0"
+                }
+        }
+}
+
+provider "proxmox" {
+        pm_api_url= var.proxmox_api_url
+        pm_api_token_id = var.proxmox_api_token_id
+        pm_api_token_secret = var.proxmox_api_token_secret
+        pm_tls_insecure = true
+        # Switching off parallelism is necessary here, as VM provisioning fails otherwise
+        # see: https://github.com/Telmate/terraform-provider-proxmox/issues/173
+        pm_parallel = 1
+}