Add Snap store & jgrasp to categories file

data/categories/structure

@@ -21,13 +21,13 @@ Email Checker|Internet
 FreeCAD|Editors/FreeCAD
 FreeCAD (precompiled)|Editors/FreeCAD
 Intellij IDEA|Editors
+jGRASP IDE|Editors
 LibrePCB|Editors
 Lightpad|Eyecandy
 Minecraft Bedrock|Games
 Minecraft Java|Games
 Minecraft Pi|Games
 Mission Planner|Tools
-OpenSurgePiApps|Games
 PiGro|Tools
 piKiss|Tools
 Pi Power Tools|Tools
@@ -38,6 +38,7 @@ Pycharm CE|Editors
 Raspi2png|Tools
 Retropie|Games
 Scrcpy|Tools
+Snap Store|Tools
 Sonic Pi 3.2|Editors
 SpeedTest-CLI|Internet
 Steam|Games