[README.md] Add Ruby syntax highlighting

ayanonagon · ayanonagon · commit bc2a75ea247a · 2014-07-11T09:37:42.000-07:00
diff --git a/README.md b/README.md
@@ -12,7 +12,7 @@ Navigate to `SignupForm`, run `pod install`, and open `SignupForm.xcworkspace`.
 
 Cocoapods is the recommended method of installing `BZGFormViewController`. Add the following line to your `Podfile`:
 
-```
+```ruby
 pod `BZGFormViewController`
 ```
 
