Update README to include Haddock documentation link

Added link to hosted Haddock documentation.

Author: dmjio

README.md

@@ -3,6 +3,8 @@
 [![CI](https://github.com/arrayfire/arrayfire-haskell/actions/workflows/ci.yml/badge.svg)](https://github.com/arrayfire/arrayfire-haskell/actions/workflows/ci.yml)
 [![Hackage](https://img.shields.io/hackage/v/arrayfire.svg)](https://hackage.haskell.org/package/arrayfire)
 
+See hosted [Haddock documentation](https://dmjio.github.io/arrayfire-haddocks/).
+
 `ArrayFire` is a general-purpose library that simplifies the process of developing software that targets parallel and massively-parallel architectures including CPUs, GPUs, and other hardware acceleration devices.
 
 `arrayfire-haskell` is a [Haskell](https://haskell.org) binding to [ArrayFire](https://arrayfire.com).