Update to new logo, more inclusive, less geeky slogan

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

Author: troglobit

_includes/sidebar.html

@@ -11,7 +11,7 @@
       {%- endif -%}
     </a>
 
-    <p class="site-subtitle fst-italic mb-0">{{ site.tagline }}</p>
+    <!-- <p class="site-subtitle fst-italic mb-0">{{ site.tagline }}</p> -->
   </header>
   <!-- .profile-wrapper -->