Merge pull request #949 from ForNeVeR/docs/rider

Add JetBrains Rider to the project list

Author: baronfel

fcs/docsrc/content/index.md

@@ -70,6 +70,7 @@ Some of the projects using the F# Compiler Services are:
 * [**The Xamarin and MonoDevelop Tools for F#**](https://github.com/mono/monodevelop/tree/master/main/external/fsharpbinding)
 * [**The Emacs Plugin for F#**](https://github.com/fsharp/emacs-fsharp-mode)
 * [**The Vim Plugin for F#**](https://github.com/fsharp/vim-fsharp)
+* [**F# language support for JetBrains Rider**](https://github.com/JetBrains/fsharp-support/)
 * [**iFSharp**](https://github.com/BayardRock/IfSharp)  - iPython-style notebook engine for F#
 * [**CloudSharper**](https://cloudsharper.com/) - Online web and mobile programming with big data and charting
 * [**Tsunami**](http://tsunami.io) - Tsunami enhances applications and workflows with the power of Type Safe Scripting