Update USAGE.md

Author: kplimack

USAGE.md

@@ -4,7 +4,7 @@ Usage examples for SendGrid ruby-http-client
 
 ## Initialization
 
-```
+```ruby
 require_relative '../lib/ruby_http_client'
 
 # This uses the SendGrid API as an example
@@ -25,12 +25,11 @@ client = SendGrid::Client.new(host: host, request_headers: headers)
 - [PUT](#put)
 - [PATCH](#patch)
 
-<a name="get"></a>
 ## GET
 
 #### GET Collection
 
-```
+```ruby
 query_params = { 'limit' => 100, 'offset' => 0 }
 response = client.version('v3').api_keys.get(query_params: query_params)
 puts response.status_code
@@ -40,26 +39,24 @@ puts response.headers
 
 #### GET Single
 
-```
+```ruby
 response = client.version('v3').api_keys._(api_key_id).get
 puts response.status_code
 puts response.body
 puts response.headers
 ```
 
-<a name="delete"></a>
 ## DELETE
 
-```
+```ruby
 response = client.api_keys._(api_key_id).delete
 puts response.status_code
 puts response.headers
 ```
 
-<a name="post"></a>
 ## POST
 
-```
+```ruby
 request_body = JSON.parse('
     {
         "name": "My API Key Ruby Test",
@@ -77,10 +74,9 @@ puts response.headers
 api_key_id = JSON.parse(response.body)['api_key_id']
 ```
 
-<a name="put"></a>
 ## PUT
 
-```
+```ruby
 request_body = JSON.parse('
     {
         "name": "A New Hope",
@@ -90,16 +86,16 @@ request_body = JSON.parse('
         ]
     }
 ')
+
 response = client.api_keys._(api_key_id).put(request_body: request_body)
 puts response.status_code
 puts response.body
 puts response.headers
 ```
 
-<a name="patch"></a>
 ## PATCH
 
-```
+```ruby
 request_body = JSON.parse('
     {
         "name": "A New Hope"
@@ -109,4 +105,4 @@ response = client.api_keys._(api_key_id).patch(request_body: request_body)
 puts response.status_code
 puts response.body
 puts response.headers
-```
+```