Merge pull request #2019 from penyuan/patch-1

Add Photo Stream

README.md

@@ -1194,6 +1194,7 @@ See also _[Monitoring](#monitoring)_
 - [PhotoLight](https://github.com/thibaud-rohmer/PhotoLight) - The easiest photo gallery there is. `GPL-3.0` `PHP`
 - [Photonix](https://photonix.org/) - A new web-based photo management application with object recognition, location awareness, color analysis and other ML algorithms. ([Demo](https://demo.photonix.org/), [Source Code](https://github.com/damianmoore/photonix)) `AGPL-3.0` `Python`
 - [PhotoPrism](https://photoprism.org) - Personal photo management powered by Go and Google TensorFlow.  Browse, organize, and share your personal photo collection, using the latest technologies to automatically tag and find pictures. ([Source Code](https://github.com/photoprism/photoprism)) `MIT` `Go`
+- [Photo Stream](https://github.com/maxvoltar/photo-stream) - Minimalist self-hosted photo stream. ([Demo](https://maxvoltar.photo/)) `MIT` `Ruby`
 - [Photoview](https://github.com/viktorstrate/photoview) - A simple and user-friendly Photo Gallery for personal servers. It is made for photographers and aims to provide an easy and fast way to navigate directories, with thousands of high resolution photos. ([Demo](https://photos.qpqp.dk/)) `GPL-3.0` `Go`
 - [PiGallery 2](https://bpatrik.github.io/pigallery2/) - A directory-first photo gallery website, with a rich UI, optimised for running on low resource servers. ([Demo](https://pigallery2.herokuapp.com/), [Source Code](https://github.com/bpatrik/pigallery2)) `MIT` `Docker/Nodejs`
 - [Piwigo](http://piwigo.org/) - Photo gallery software for the web, built by an active community of users and developers. ([Demo](http://piwigo.org/demo/), [Source Code](https://github.com/Piwigo/Piwigo)) `GPL-2.0` `PHP`