Added contributors page

Hello,

I believe this project is a really nice effort, so, I thought about adding a contributors page to beautify more its README  :simple_smiley:

What is your view @peric?

README.md

@@ -38,3 +38,14 @@ $ npm build
 ```sh
 npm test
 ```
+
+## Contributors
+
+[<img alt="peric" src="https://avatars0.githubusercontent.com/u/1193864?v=4&s=117" width="117">](https://github.com/peric) |
+[<img alt="zigomir" src="https://avatars0.githubusercontent.com/u/957321?v=4&s=117" width="117">](https://github.com/zigomir) |
+[<img alt="toubou91" src="https://avatars1.githubusercontent.com/u/5684688?v=4&u117" width="117">](https://github.com/toubou91) |
+[<img alt="dominionit" src="https://avatars3.githubusercontent.com/u/2602507?v=4&s=117" width="117">](https://github.com/dominionit) |
+[<img alt="abhishekbhardwaj" src="https://avatars0.githubusercontent.com/u/1156779?v=4&s=117" width="117">](https://github.com/abhishekbhardwaj) |
+[<img alt="mathiasbynens" src="https://avatars0.githubusercontent.com/u/81942?v=4&s=117" width="117">](https://github.com/mathiasbynens) |
+:---: |:---: |:---:|:---:|:---:|:---:|
+[peric](https://github.com/peric) |[zigomir](https://github.com/zigomir) |[toubou91](https://github.com/toubou91) |[dominionit](https://github.com/dominionit) |[abhishekbhardwaj](https://github.com/abhishekbhardwaj) |[mathiasbynens](https://github.com/mathiasbynens) |