Add a WebGL example (#1490)

* Add WebGL example

* Add WebGL example to index.html

* Add WebGL example to contributors.html

contributors.html

@@ -305,6 +305,7 @@ <h1 class="animated rubberBand delay-4s">Contributors</h1>
         <a class="box-item different-color" href="https://github.com/adityaas26">Aditya Sharma</a>
         <a class="box-item" href="https://github.com/blackburn3333">Jayendra Matarage</a>
         <a class="box-item" href="https://github.com/Deadpool1994">Mohit Rami</a>
+        <a class="box-item" href="https://github.com/Bluexin" style="background-color: #0f1757">Arnaud 'Bluexin' Solé</a>
         <!--
         Add here
         format : <a class="box-item"> href="https://github.com/<your-username>">Your Name</a>
@@ -346,6 +347,7 @@ <h3 class="mb-5">Check available pages</h3>
                     <li><a href="bp.html">BP</a></li>
     		            <li><a href="spooky-bat.html">Bats</a></li>
                     <li><a href="flex_and_grid.html">Flex and Grid</a></li>
+                <li><a href="helloGLSL.html">WebGL HELLO</a></li>
                 </ul>
             </div>
 

helloGLSL.html

@@ -0,0 +1,2 @@
+<p>Example HELLO from GLSL Fragment, made for <i><a href="https://github.com/Hacktoberfest-2018/Hello-world">Hacktoberfest-2018/Hello-world</a></i></p>
+<script async src="https://jsfiddle.net/zvcnm4rq/57/embed/result,html,js,css/dark/"></script>

index.html

@@ -489,6 +489,7 @@ <h3 class="mb-5">Check available pages</h3>
                 <li><a href="flex_and_grid.html">Flex and Grid</a></li>
                 <li><a href="halloween-frenchies.html">Frenchieween</a></li>
                 <li><a href="turndown.html">Turndown</a></li>
+                <li><a href="helloGLSL.html">WebGL HELLO</a></li>
             </ul>
         </div>