change description of pika-backup (#76)

* Update pika-backup.md

* Improve formatting of features list in pika-backup.md

Fixed formatting for the list of features in the documentation.

Author: Shikakiben

apps/pika-backup.md

@@ -4,15 +4,14 @@
 
 Doing backups the easy way. Plugin your USB drive and let the Pika do the rest for you.
 
-<ul>
-      <li>Create backups locally and remotely</li>
-      <li>Set a schedule for regular backups</li>
-      <li>Save time and disk space because Pika Backup does not need to copy known data again</li>
-      <li>Encrypt your backups</li>
-      <li>List created archives and browse through their contents</li>
-      <li>Recover files or folders via your file browser</li>
-</ul>
+ - Create backups locally and remotely
+ - Set a schedule for regular backups
+ - Save time and disk space because Pika Backup does not need to copy known data again
+ - Encrypt your backups
+ - List created archives and browse through their contents
+ - Recover files or folders via your file browser
 
+     
 Pika Backup is designed to save your personal data and does not support complete system recovery. Pika Backup is powered by the well-tested BorgBackup software.
 
 ![Screenshot](https://static.gnome.org/catalog/app-screenshot/org.gnome.World.PikaBackup/image-1_orig.png)