fix(footer): update github profile

Author: hwindo

_includes/footer.html

@@ -1,7 +1,7 @@
         <footer class="footer">            
             <ul>
                 <li><a href="mailto:[email protected]">[email protected]</a></li>                
-                <li><a href="https://github.com/winndo">github.com/winndo</a></li>
+                <li><a href="https://github.com/hwindo">github.com/hwindo</a></li>
                 <li><a href="https://codepen.io/windo/"><img src="https://blog.codepen.io/wp-content/uploads/2012/06/[email protected]" width="68px">/windo</a></li>
                 <li><a href="https://stackoverflow.com/users/1528098/windo">stackoverflow</a></li>
                 <li><a href="https://www.freecodecamp.org/windo">freecodecamp</a></li>