website: Activate HCL syntax highlighting for Template provider docs

website/source/docs/providers/template/d/cloudinit_config.html.markdown

@@ -12,7 +12,7 @@ Renders a multi-part cloud-init config from source files.
 
 ## Example Usage
 
-```
+```hcl
 # Render a part using a `template_file`
 data "template_file" "script" {
   template = "${file("${path.module}/init.tpl")}"

website/source/docs/providers/template/d/file.html.md

@@ -16,7 +16,7 @@ Option 1: From a file:
 
 Reference the template path:
 
-```
+```hcl
 data "template_file" "init" {
     template = "${file("${path.module}/init.tpl")}"
 
@@ -28,7 +28,7 @@ data "template_file" "init" {
 
 Inside the file, reference the variable as such:
 
-```
+```bash
 #!/bin/bash
 
 echo "CONSUL_ADDRESS = ${consul_address}" > /tmp/iplist
@@ -36,7 +36,7 @@ echo "CONSUL_ADDRESS = ${consul_address}" > /tmp/iplist
 
 Option 2: Inline:
 
-```
+```hcl
 data "template_file" "init" {
     template = "$${consul_address}:1234"
 

website/source/docs/providers/template/index.html.markdown

@@ -15,7 +15,7 @@ Use the navigation to the left to read about the available data sources.
 
 ## Example Usage
 
-```
+```hcl
 # Template for initial configuration bash script
 data "template_file" "init" {
   template = "${file("init.tpl")}"
@@ -35,7 +35,7 @@ resource "aws_instance" "web" {
 
 Or using an inline template:
 
-```
+```hcl
 # Template for initial configuration bash script
 data "template_file" "init" {
   template = "$${consul_address}:1234"