Issue 5406 - Create Site Footer Component for Help Center

includes/layout/footer.tmpl

+{#
+ # This file is part of help.eyeo.com.
+ # Copyright (C) 2016 Eyeo GmbH
+ #
+ # help.eyeo.com is free software: you can redistribute it and/or modify
+ # it under the terms of the GNU General Public License as published by
+ # the Free Software Foundation, either version 3 of the License, or
+ # (at your option) any later version.
+ #
+ # help.eyeo.com is distributed in the hope that it will be useful,
+ # but WITHOUT ANY WARRANTY; without even the implied warranty of
+ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ # GNU General Public License for more details.
+ #
+ # You should have received a copy of the GNU General Public License
+ # along with help.eyeo.com.  If not, see <http://www.gnu.org/licenses/>.
+ #}
+
+<footer id="site-footer" class="navbar">
+  <div class="navbar-wrapper row">
+    <div class="column one-fourth">
+      <div class="custom-select">
+        <button class="custom-select-selected" aria-expanded="false" aria-controls="language-options">
+          {{config.get("langnames", locale)}}
+        </button>
+        <ul id="language-options" class="custom-select-options" aria-hidden="true">
+          {% for lang in available_locales %}
+          <li>
+            {{page|linkify(lang)}}
+              {{config.get("langnames", lang)}}
+            </a>
+          </li>
+          {% endfor %}
+        </ul>
+      </div>
+    </div>
+    <div class="column three-fourths">
+      <nav id="site-footer-nav">
+        <ul>
+          <li><a href="">Legal</a></li>
+          <li><a href="https://adblockplus.org/privacy">Privacy Policy</a></li>
+        </ul>
+      </nav>
+      <small class="color-muted"><a href="https://adblockplus.org">Adblock Plus</a> is a registered trademark of <a href="https://eyeo.com">eyeo GmbH</a></small>
+    </div>
+  </div>
+</header>