Add docs link in README

Author: thobson88

README.md

@@ -70,7 +70,7 @@ This can only be compiled for a Windows target. All the "interesting" instrument
 Libinject has prebuilt bindings for the DynamoRio C library
 
 ## Documentation
-TBC
+Visit our [documentation site](https://alan-turing-institute.github.io/navigator/docs/index.html) for more details, including a Getting Started guide, information for developers and researchers and an API reference.
 
 ## Citation