Merge pull request public-apis#70 from mAzurkovic/patch-1

Add Steam API

Author: toddmotto

README.md

@@ -74,6 +74,7 @@ A collective list of JSON APIs for use in web development.
 | Pokéapi | The RESTful Pokémon API | No |[Go!](http://pokeapi.co) |
 | Giant Bomb | Video Games | No |[Go!](http://www.giantbomb.com/api/documentation) |
 | Comic Vine | Comics | No | [Go!](http://comicvine.gamespot.com/api/documentation) |
+| Steam | Steam Client API | Yes | [Go!] (https://developer.valvesoftware.com/wiki/Steam_Web_API) |
 
 ### Media