Added some documentation

Cloud-Init VM/main.tf

@@ -13,6 +13,7 @@ provider "proxmox" {
     api_token = "${var.proxmox_token_id}=${var.proxmox_token_secret}"
     insecure = true
 
+    # Needed for snippet upload
     ssh {
         agent = false
         username = var.proxmox_ssh_username
@@ -20,6 +21,7 @@ provider "proxmox" {
     }
 }
 
+# Cloud-init user config snippet
 resource "proxmox_virtual_environment_file" "user_data_cloud_config" {
   content_type = "snippets"
   datastore_id = "local"
@@ -48,6 +50,7 @@ resource "proxmox_virtual_environment_file" "user_data_cloud_config" {
   }
 }
 
+# Downloads a given cloud image file to use, and uploads it to proxmox
 resource "proxmox_virtual_environment_download_file" "vm_cloud_image" {
   content_type = "iso"
   datastore_id = "local"
@@ -57,16 +60,19 @@ resource "proxmox_virtual_environment_download_file" "vm_cloud_image" {
   file_name = var.image_file_name
 }
 
-resource "proxmox_virtual_environment_vm" "ubuntu_vm" {
+# Provisions a new VM using the above image and cloud-init snippet
+resource "proxmox_virtual_environment_vm" "cloud_vm" {
   name      = var.vm_hostname
   node_name = var.proxmox_node_name
 
+  # Enables qemu agent
   agent {
     enabled = true
   }
 
   cpu {
     cores = var.cores
+    # Should speed up CPU
     type ="x86-64-v2-AES"
   }