201-aks-rbac-dashboard-admin patch (#148)

* fix 201-aks-rbac-dashboard-admin

* remove azuread provider block

* rename aks resource to main

---------

Co-authored-by: zjhe <hezijie@microsoft.com>

quickstart/201-aks-rbac-dashboard-admin/variables.tf

@@ -1,12 +1,12 @@
 // Naming
 variable "name" {
-  type        = "string"
+  type        = string
   description = "Location of the azure resource group."
   default     = "quickstart-aks"
 }
 
 variable "environment" {
-  type        = "string"
+  type        = string
   description = "Name of the deployment environment"
   default     = "dev"
 }
@@ -14,7 +14,7 @@ variable "environment" {
 // Resource information
 
 variable "location" {
-  type        = "string"
+  type        = string
   description = "Location of the azure resource group."
   default     = "WestUS2"
 }
@@ -22,19 +22,19 @@ variable "location" {
 // Node type information
 
 variable "node_count" {
-  type        = "string"
+  type        = number
   description = "The number of K8S nodes to provision."
   default     = 3
 }
 
 variable "node_type" {
-  type        = "string"
+  type        = string
   description = "The size of each node."
-  default     = "Standard_D1_v2"
+  default     = "Standard_D2s_v3"
 }
 
 variable "dns_prefix" {
-  type        = "string"
+  type        = string
   description = "DNS Prefix"
   default     = "tfquickstart"
 }