WebDAV File System provides you an ability to access to your WebDAV storage directly from the Files app.
Switch to Node.js v6.x.x and make sure you have bower and grunt globally installed.
$ npm install
$ grunt
All files are licensed under the BSD license. See the LICENSE file for details. All original source code is Copyright 2015 Yoichiro Tanaka and Copyright 2019 FydeOS.