Some changes:

* Add the screenshot to debian/docs
* Rename the screenshot file

README.md

 # Pardus Flatpak GUI
 
-![p1](flatpak-gui.png)
+![p1](pardus-flatpak-gui.png)
 
 A GUI for Flatpak. You can run, install (from FlatHub and from Flatpak ref file), uninstall, update and get information about Flatpak softwares via this GUI. Written in PyGObject and Glade used.