Add license scan report and status

Signed-off-by: fossabot <badges@fossa.io>

README.md

@@ -1,4 +1,5 @@
 Gogs [![Build Status](https://travis-ci.org/gogs/gogs.svg?branch=master)](https://travis-ci.org/gogs/gogs) [![Build status](https://ci.appveyor.com/api/projects/status/b9uu5ejl933e2wlt/branch/master?svg=true)](https://ci.appveyor.com/project/Unknwon/gogs/branch/master) [![Crowdin](https://d322cqt584bo4o.cloudfront.net/gogs/localized.svg)](https://crowdin.com/project/gogs) [![Discord](https://img.shields.io/discord/382595433060499458.svg)](https://discord.gg/9aqdHU7)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fgogs%2Fgogs.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fgogs%2Fgogs?ref=badge_shield)
 =====================
 
 ![](https://github.com/gogs/gogs/blob/master/public/img/gogs-large-resize.png?raw=true)
@@ -136,3 +137,6 @@ There are 5 ways to install Gogs:
 ## License
 
 This project is under the MIT License. See the [LICENSE](https://github.com/gogs/gogs/blob/master/LICENSE) file for the full license text.
+
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fgogs%2Fgogs.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fgogs%2Fgogs?ref=badge_large)