added e2e opentofu files

tofu/e2e/versions.tf

@@ -0,0 +1,26 @@
+terraform {
+  required_version = ">= 1.6.0"
+
+  backend "s3" {
+    bucket = "tofu-state"
+    key    = "e2e/${var.run_id}/terraform.tfstate"
+    region = "garage"
+
+    endpoints = {
+      s3 = "https://garage.gilmour109.de"
+    }
+
+    skip_credentials_validation = true
+    skip_metadata_api_check     = true
+    skip_requesting_account_id  = true
+    skip_region_validation      = true
+    use_path_style              = true
+  }
+
+  required_providers {
+    proxmox = {
+      source  = "bpg/proxmox"
+      version = "~> 0.96.0"
+    }
+  }
+}