revert QSSTV delete

update

@@ -475,6 +475,7 @@ yad --center --list --checklist --width=600 --height=600 --separator="" \
 	false "PYQSO" "$PYQSO" "Logging Software" \
 	false "HAMRS" "$HAMRS" "Logging Software" \
 	false "CQRLOG" "$CQRLOG" "Logging Software" \
+	false "QSSTV" "$QSSTV" "Slow scan TV" \
 	false "GRIDTRACKER" "$GRIDTRACK" "Track grids in WSJTX" \
 	false "HAMCLOCK" "$HAMCLOCK" "Clock for Ham Radio Ops" \
 	false "PROPAGATION" "$PROP" "Propagation prediction" \