Style fixes (#862)

Author: Nyholm

Readme.md

@@ -15,11 +15,13 @@ This is the Here provider from the PHP Geocoder. This is a **READ ONLY** reposit
 ```bash
 composer require geocoder-php/here-provider
 ```
-### Note
-## App Id and App Code
+
+### App Id and App Code
+
 Get your Here credentials at https://developer.here.com/
 
-## Language parameter
+### Language parameter
+
 Define the preferred language of address elements in the result. Without a preferred language, the Here Geocoder will return results in an official country language or in a regional primary language so that local people will understand. Language code must be provided according to RFC 4647 standard.
 
 ### Contribute