website: Syntax highlighting for "mysql" provider docs

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

@@ -18,7 +18,7 @@ Use the navigation to the left to read about the available resources.
 
 The following is a minimal example:
 
-```
+```hcl
 # Configure the MySQL provider
 provider "mysql" {
   endpoint = "my-database.example.com:3306"
@@ -36,7 +36,7 @@ This provider can be used in conjunction with other resources that create
 MySQL servers. For example, ``aws_db_instance`` is able to create MySQL
 servers in Amazon's RDS service.
 
-```
+```hcl
 # Create a database server
 resource "aws_db_instance" "default" {
   engine         = "mysql"

website/source/docs/providers/mysql/r/database.html.markdown

@@ -19,7 +19,7 @@ on your database resources as an extra safety measure.
 
 ## Example Usage
 
-```
+```hcl
 resource "mysql_database" "app" {
   name = "my_awesome_app"
 }

website/source/docs/providers/mysql/r/grant.html.markdown

@@ -13,7 +13,7 @@ a user on a MySQL server.
 
 ## Example Usage
 
-```
+```hcl
 resource "mysql_user" "jdoe" {
   user     = "jdoe"
   host     = "example.com"

website/source/docs/providers/mysql/r/user.html.markdown

@@ -16,7 +16,7 @@ server.
 
 ## Example Usage
 
-```
+```hcl
 resource "mysql_user" "jdoe" {
   user     = "jdoe"
   host     = "example.com"