add missing logos to hexdex

Author: Alejandro Oviedo Garcia

hexdex.html

@@ -164,6 +164,18 @@ <h1 data-i18n="hexdex-h1">Hexdex</h1>
           <a class="imglink" href="https://github.com/nodeschool/dhaka" title="Dhaka">
             <img class="hex" src="/images/nodeschool-dhaka.png" alt="Dhaka Hexagon">
           </a>
+          <a class="imglink" href="https://github.com/nodeschool/italy" title="Italy">
+            <img class="hex" src="/images/nodeschool-italy.svg" alt="Italy Hexagon">
+          </a>
+          <a class="imglink" href="https://github.com/nodeschool/hermosillo" title="Hermosillo">
+            <img class="hex" src="/images/nodeschool-hermosillo.svg" alt="Hermosillo Hexagon">
+          </a>
+          <a class="imglink" href="https://github.com/nodeschool/berlin" title="Berlin">
+            <img class="hex" src="/images/nodeschool-berlin.png" alt="Berlin Hexagon">
+          </a>
+          <a class="imglink" href="https://github.com/nodeschool/costarica" title="Costa Rica">
+            <img class="hex" src="/images/nodeschool-costarica.png" alt="Costa Rica Hexagon">
+          </a>
           <img class="hex" src="/images/nodeschool-blank.png" alt="blank hexagon" aria-hidden="true">
       </div>
     </div>