README: add pictures

README.md

@@ -2,6 +2,12 @@
 
 A GUI for the OpenBSD package manager.
 
+You can search for packages by typing text. There is a setting if you want to include packages description into the search.
+[![Package list using search](images/list-fs8.png)](images/list-fs8.png)
+
+You are prompted about your changes before applying changes:
+[![Package list using search](images/recap-fs8.png)](images/recap-fs8.png)
+
 # How to use
 
 Install packages `godot` and `sqlports`, then execute `make run` in the sources directory.