various improvements

- removed gallery (didn't like it)
- added "more news" button
- reworked navigation between posts
- updated font-awesome
- some things i already forgot

_includes/songs.html

@@ -3,7 +3,7 @@
         <div class="container">
             <div class="row">
                 <h1 class="title">{{ page.title }}</h1>
-                {{ page.content | markdownify }}
+                <p>{{ page.content | markdownify }}</p>
                 <div class="flex-box-row">
                     {% for song in site.data.songs %}
                         <div class="col-md-6 flex-box-col card hover-card dark-text">