Add EU Tech Alliance logo.

Author: Oana Sipos

img/partners/eu-tech-alliance.png

@@ -364,6 +364,7 @@ <h2>Partners And Sponsors</h2>
           <li><a href="http://www.neunet.it/"><img src="img/partners/colabora_neunet.png" alt="NeuNet"></a></li>
           <li><a href="http://www.google.com/"><img src="img/partners/google.png" alt="Google"></a></li>
           <li><a href="https://education.lego.com/en-gb/secondary/explore/c/eu-code-week"><img src="img/partners/lego.png" alt="LEGOeducation"></a></li>
+          <li><a href="http://eutechalliance.eu/"><img src="img/partners/eu-tech-alliance.png" alt="EU Tech Alliance"></a></li>
         </ul>
 
       </div>