Added screenshot

Updated readme

Author: jimtendo

README.md

@@ -1,5 +1,11 @@
 # QuteSQL
 
+## UNSTABLE AND STILL SOME CRITICAL BUGS! DO NOT USE IN PRODUCTION!!! 
+
+## Screenshot
+
+![QuteSQL](/screenshot.png?raw=true "QuteSQL")
+
 ## Todo
 - Create wrapper QSqlDatabase class (with functions like executeQuery(), getName(), etc)
 - Create record tab that shows history of all SQL commands executed. Depends on the above.