lychee: create README

lychee/README.md

@@ -0,0 +1,26 @@
+## wonderfall/lychee
+
+![](http://lychee.electerious.com/assets/images/showcase.jpg)
+
+#### What is this?
+Lychee is a free photo-management tool, which runs on your server or web-space. Installing is a matter of seconds. Upload, manage and share photos like from a native application. Lychee comes with everything you need and all your photos are stored securely.
+
+#### Features
+- Based on Alpine Linux.
+- nginx + PHP7.
+- Active Imagemagick + pecl ext.
+
+#### Build-time variables
+- **LYCHEE_VERSION** : version of Lychee.
+- **IMAGICK_EXT_VERSION** : version of imagick pecl extension.
+
+#### Environment variables
+- **UID** : lychee user id *(default : 991)*.
+- **GID** : lychee group id *(default : 991)*.
+
+#### Volumes
+- **/lychee/uploads** : uploads.
+- **/lychee/data** : data files.
+
+#### Ports
+- **80** [(reverse proxy!)](https://github.com/hardware/mailserver/wiki/Reverse-proxy-configuration)