added a screenshot and more settings

Author: pbek

README.md

@@ -37,12 +37,16 @@ tar xvfz 170674-ownbackup.tar.gz
 - If the Zlib library is present the backups get compressed with gzip.
 - The backup should work with all databases, please report any problems. 
 
+## Limitations
+
+- I've only tested the app with *Cron* so far, please report any troubles with *Webcron* or *AJAX*.
+- One main limitation for the size that your DB can have to be backed up will be the `memory_limit` and the `max_execution_time` of your PHP installation!
+
 ## Disclaimer
 
 - Use this app at your own risk! Data loss may occur!
 - This app is no replacement for a more professional backup solution!
 
-## Limitations
+This SOFTWARE PRODUCT is provided by THE PROVIDER "as is" and "with all faults." THE PROVIDER makes no representations or warranties of any kind concerning the safety, suitability, lack of viruses, inaccuracies, typographical errors, or other harmful components of this SOFTWARE PRODUCT. 
 
-- I've only tested the app with *Cron* so far, please report any troubles with *Webcron* or *AJAX*.
-- One main limitation for the size that your DB can have to be backed up will be the `memory_limit` and the `max_execution_time` of your PHP installation!
+There are inherent dangers in the use of any software, and you are solely responsible for determining whether this SOFTWARE PRODUCT is compatible with your equipment and other software installed on your equipment. You are also solely responsible for the protection of your equipment and backup of your data, and THE PROVIDER will not be liable for any damages you may suffer in connection with using, modifying, or distributing this SOFTWARE PRODUCT.

appinfo/info.xml

@@ -1,15 +1,23 @@
-<?xml version="1.0"?>
+<info xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://apps.nextcloud.com/schema/apps/info.xsd">
 <info>
     <!-- metadata -->
     <id>ownbackup</id>
     <name>OwnBackup</name>
     <description>OwnBackup is the simple database backup solutions for your ownCloud 8.1+ or Nextcloud installation.</description>
+    <summary>OwnBackup is the simple database backup solution for your Nextcloud installation.</summary>
+    <description><![CDATA[OwnBackup is the simple database backup solution for your Nextcloud installation.
+
+Its main purpose is to provide an easy solution to restore the tables of an app in case you accidentally corrupted the data or did anything you regret later.
+
+- Use this app at your own risk! Data loss may occur!
+- This app is no replacement for a more professional backup solution!]]></description>
     <licence>AGPL</licence>
-    <author>Patrizio Bekerle</author>
+    <author mail="patrizio@bekerle.com" homepage="http://www.bekerle.com/">Patrizio Bekerle</author>
     <version>16.11.0</version>
     <namespace>OwnBackup</namespace>
     <category>tools</category>
     <ocsid>170674</ocsid>
+    <screenshot>https://github.com/pbek/ownbackup/blob/develop/screenshot.png</screenshot>
 
     <!-- admin -->
     <admin>admin</admin>