add ulauncher to categories file

data/categories/structure

@@ -18,7 +18,7 @@ Doom 3|Games
 Eagle CAD|Editors
 eDEX-UI|Eyecandy
 Email Checker|Internet
-FreeCAD (compile)|Editors/FreeCAD
+FreeCAD|Editors/FreeCAD
 FreeCAD (precompiled)|Editors/FreeCAD
 Intellij IDEA|Editors
 LibrePCB|Editors
@@ -47,6 +47,7 @@ template|hidden
 Timeshift|Tools
 tldr|Tools
 Tor Browser|Internet
+Ulauncher|Eyecandy
 Update Buddy|Tools
 USBImager|Tools
 Visual Studio Code|Editors