feat: Enable flatpak installation and removal for user

config/files/usr/bin/user-flatpak-setup

@@ -17,6 +17,29 @@ if grep -qz 'fedora' <<< $(flatpak remotes); then
 fi
 flatpak remote-add --if-not-exists --user flathub-user https://flathub.org/repo/flathub.flatpakrepo
 
+# Lists of flatpaks
+FLATPAK_LIST=$(flatpak list --columns=application)
+INSTALL_LIST=$(cat /etc/flatpak/user-install)
+REMOVE_LIST=$(cat /etc/flatpak/user-remove)
+
+# Install flatpaks in list
+if [[ -n $INSTALL_LIST ]]; then
+  for flatpak in $INSTALL_LIST; do
+    if grep -qvz $flatpak <<< $FLATPAK_LIST; then
+      flatpak install --user --noninteractive flathub-user $flatpak
+    fi
+  done
+fi
+
+# Remove flatpaks in list
+if [[ -n $REMOVE_LIST ]]; then
+  for flatpak in $REMOVE_LIST; do
+    if grep -qz $flatpak <<< $FLATPAK_LIST; then
+      flatpak remove --user --noninteractive $flatpak
+    fi
+  done
+fi
+
 # Prevent future executions
 echo "Writing state file"
 mkdir -p $HOME/.config/ublue-os/