doc: update contributing guide for windows.

.github/CONTRIBUTING.md

@@ -7,10 +7,19 @@
 * [CMake](https://cmake.org/) v3.10.0 or later
 * [Xcode](https://developer.apple.com/xcode/) (10.12) or later (Running on macOS or iOS)
 * [Android NDK](https://developer.android.com/studio/projects/install-ndk) version `22.1.7171670` (Running on Android)]
-* [Visual Studio 2019 or above](https://visualstudio.microsoft.com/) (Running on Windows)
+* [Visual Studio 2019 or later](https://visualstudio.microsoft.com/) (Running on Windows)
+* [Rust](https://www.rust-lang.org/) (For building Rust example apps.)
 
 ## Get the code:
 
+**Additional configuration for Windows users**
+
+```
+git config --global core.symlinks true
+git config --global core.autocrlf false
+```
+
+
 ```
 git clone [email protected]:openwebf/webf.git
 git submodule update --init --recursive