Endpoints: 
    folder - `/api/folders/`
    file - `/api/files/`
GET:
    * get folder by `id` (params), with all of its content.
POST:
    * add one folder (must have a uniqe name): 
        request body: `name`, `folder` (parent folderId).
    * add one file:
        request body: `name`, `file`, `folder`(parent folderId).
PUT: 
    * update file name (`id`, `name`).
    * update folder name (`id` , `name`).
DELETE
    * delete folder by `id`(params) , with all of its content.
    * delete file by `id` (params).

{
    _id: string;
    name: string;
    fileName: string;
    folder: string;
}

{
    _id: string;
    name: string;
    folder: string;
}

{
    folderId: string;
    folderName: string;
    folders: mongo folder[];
    files: Mongo file[];
    parentFolder: string | null;
}

react.js
react-router-dom
react-bootstrap / bootstrap
react icons 

node.js
express.js
express-fileupload
mongodb
mongoose
uuid
dotenv
cors

mongoDb