Fix ZIP creation

Author: dhadka

.github/workflows/package.yml

@@ -97,7 +97,7 @@ jobs:
           mkdir release
           cp temp/J3-Windows/* release
           cp temp/J3-Linux/* release
-          zip release/J3.zip temp/J3
+          zip -r release/J3.zip temp/J3
         
       - name: Stage GitHub release
         run: |