added --or-update

apps/flatpak/install.sh

@@ -1,2 +1,2 @@
 flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
-while read app; do sudo flatpak install -y flathub $app; done < flatpak-list.txt
+while read app; do sudo flatpak install --or-update --assumeyes flathub $app; done < flatpak-list.txt