Update build.sh

Author: kzwkt

build.sh

@@ -29,3 +29,5 @@ mv squashfs-root pkg1
 ARCH=x86_64 ./pkg1/AppRun   --comp zstd \
 	--mksquashfs-opt -Xcompression-level --mksquashfs-opt 22 \
 	-n  ./$APP/$APP.AppDir -u "$UPINFO" 
+
+mv ./*.AppImage* ../