Added Explore back to FooterBar

• Added:
- Explore back to FooterBar

app/javascript/gabsocial/components/footer_bar.js

@@ -47,6 +47,13 @@ class FooterBar extends ImmutablePureComponent {
         title: 'Groups',
         active: currentPathname.indexOf('/groups') > -1,
       },
+      {
+        to: '/explore',
+        icon: 'explore',
+        title: 'Explore',
+        isHidden: !me,
+        active: currentPathname.indexOf('/explore') > -1,
+      },
       {
         to: '/news',
         icon: 'news',