Update variable name, add required provider, and remove quotes

Signed-off-by: Cari Albritton <cari.albritton@kaleido.io>

examples/env_with_dxe/main.tf

@@ -2,6 +2,13 @@
 This creates suite of environments using all available
 environment types and consensus methods.
 */
+terraform {
+  required_providers {
+    kaleido = {
+      source = "kaleido-io/kaleido"
+    }
+  }
+}
 
 provider "kaleido" {
   api = "https://console${var.kaleido_region}.kaleido.io/api/v1"
@@ -33,7 +40,7 @@ resource "kaleido_environment" "env" {
   consortium_id = "${kaleido_consortium.consortium.id}"
   multi_region = "${var.multi_region}"
   name = "${var.env_name}"
-  env_type = "${var.provider}"
+  env_type = "${var.provider_type}"
   consensus_type = "${var.consensus}"
   description = "${var.env_description}"
 }

examples/env_with_dxe/variables.tf

@@ -1,65 +1,65 @@
 variable "kaleido_api_key" {
-  type = "string"
+  type = string
   description = "Kaleido API Key"
 }
 
 variable "kaleido_region" {
-  type = "string"
+  type = string
   description = "Can be '-ap' for Sydney, or '-eu' for Frankfurt. Defaults to US"
   default = ""
 }
 
-variable "provider" {
-  type = "string"
+variable "provider_type" {
+  type = string
   default = "pantheon"
   description = "Protocol implementation to deploy."
 }
 
 variable "consensus" {
-  type = "string"
+  type = string
   default = "ibft"
   description = "Consensus mechanism."
 }
 
 variable "multi_region" {
-  type = "string"
+  type = string
   default = true
   description = "Make the environment multi-region compatible to support additional regions, now or in the future"
 }
 
 variable "node_size" {
-  type = "string"
+  type = string
   default = "small"
   description = "Size of the node"
 }
 
 variable "node_count" {
-  type = "string"
+  type = string
   default = 4
   description = "Count of nodes to create - each will have its own membership"
 }
 
 variable "service_count" {
-  type = "string"
+  type = string
   default = 1
   description = "Count of services to create - each will have its own membership"
 }
 
 variable "consortium_name" {
-  type = "string"
+  type = string
   default = "My Business Network"
 }
 
 variable "env_name" {
-  type = "string"
+  type = string
   default = "Development"
 }
 
 variable "env_description" {
-  type = "string"
+  type = string
   default = "Created with Terraform"
 }
 variable "network_description" {
-  type = "string"
+  type = string
   default = "Modern Business Network - Built on Kaleido"
 }