Add maintainers to README

Author: tpetricek

README.md

@@ -31,3 +31,10 @@ All AppVeyor builds are available using the NuGet feed: https://ci.appveyor.com/
 
 If using Paket, add the source at the top of `paket.dependencies`.
 
+Maintainers
+-----------
+
+Tha maintainers of this repository appointed by the F# Core Engineering Group are:
+
+ - [Robin Neatherway](https://github.com/rneatherway), [Tomas Petricek](http://github.com/tpetricek) 
+ - with help and guidance from [Don Syme](http://github.com/dsyme), [Dave Thomas](http://github.com/7sharp9), [Lincoln Atkinson](http://github.com/latkin), [Kevin Ransom](http://github.com/KevinRansom) and [Vladimir Matveev](http://github.com/vladima)