chore: Migrate states to S3

pve01.wheatley.in/k8s-wheatley/main.tf

@@ -1,3 +1,15 @@
+terraform {
+  backend "s3" {
+    bucket                      = "13225-wheatley-states"
+    key                         = "k8s-wheatley.tfstate"
+    region                      = "main"
+    skip_credentials_validation = true
+    skip_metadata_api_check     = true
+    skip_region_validation      = true
+    force_path_style            = true
+  }
+}
+
 provider "proxmox" {
   endpoint  = var.proxmox_endpoint
   api_token = var.proxmox_api_token