fix setup: do not wait for db if using sqlite3

rootfs/usr/local/bin/setup.sh

@@ -55,11 +55,13 @@ cat >> /nextcloud/config/autoconfig.php <<EOF;
 ?>
 EOF
 
-until nc -z "${DB_HOST:-nextcloud-db}" "${DB_PORT:-3306}"
+if [ ${DB_TYPE} != "sqlite3" ]; then
-do
+  until nc -z "${DB_HOST:-nextcloud-db}" "${DB_PORT:-3306}"
+  do
     echo "waiting for the database container..."
     sleep 1
-done
+  done
+fi
 
 echo "Starting automatic configuration..."
 # Execute setup