Update skills section

Author: natanielf

index.html

@@ -128,6 +128,8 @@ <h3>Tools</h3>
             <li>Git</li>
             <li>GNU Debugger (GDB)</li>
             <li>GNU Make</li>
+            <li>SQLite</li>
+            <li>MySQL</li>
             <li>Arduino</li>
             <li>Aider</li>
             <li>Autodesk Fusion 360</li>
@@ -141,6 +143,7 @@ <h2>Professional</h2>
             <li>Time management</li>
             <li>Problem solving</li>
             <li>Project management</li>
+            <li>Agile software development</li>
           </ul>
         </div>
         <div class="card">