Added FontAwesome 5

* closes #10

Signed-off-by: Jim Martens <github@2martens.de>

_includes/footer.html

@@ -8,10 +8,10 @@
                         <li class="nav-item"><a class="nav-link" href="/datenschutz">Datenschutz</a></li>
                     </ul>
                 </nav>
+                <img src="/assets/images/uberspace-badge-white.png" />
             </div>
             <div class="col-8">
-                {% comment %}
-                <ul class="social-media-list">
+                <ul class="list-unstyled">
                     {% if site.github_username %}
                     <li>
                         {% include icon-github.html username=site.github_username %}
@@ -24,7 +24,6 @@
                     </li>
                     {% endif %}
                 </ul>
-                {% endcomment %}
                 <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">
                     <img alt="Creative Commons License" style="border-width:0"
                          src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png"/>