Append reference to setup instructions

Signed-off-by: Shourya Shukla <periperidip@gmail.com>

Author: periperidip

_docs_v7/Developing-SU2-on-GitHub-(Internal-Developers).md

@@ -22,6 +22,7 @@ After cloning, you should have a new SU2/ folder in your current working directo
 ```
 git log
 ```
+To setup the local copy of SU2 for development purposes, one must follow the steps mentioned in [Build-SU2-Windows](_docs_v7/Build-SU2-Windows.md) and [Build-SU2-Linux-MacOS](_docs_v7/Build-SU2-Linux-MacOS.md).
 
 ## Typical Workflow with Git