Add a bit margin to sidebar

Sidebar is becoming HUGE now, and I still need to add metadata like
release time etc.

Author: onur

templates/style.scss

@@ -303,6 +303,7 @@ div.package-sheet-container {
 div.package-page-container {
     div.package-menu {
         padding: 0 10px;
+        margin-bottom: 50px;
 
         li.pure-menu-heading {
             font-size: 1.3em;