docs: Update website README to include Windows instructions for Jekyl…

…l container

Signed-off-by: Patrick Kremer <pkremer@vmware.com>

docs/README.md

@@ -61,6 +61,7 @@ Step 1 - Change into the `docs` directory
 
 Step 2 - Run the following command to start the [Jekyll Docker container image](https://github.com/envygeeks/jekyll-docker/) and begin serving the documentation:
 
+Linux/Mac:
 ```bash
 docker run --rm \
   --volume="$PWD:/srv/jekyll" \
@@ -69,6 +70,15 @@ docker run --rm \
   jekyll serve
 ```
 
+Windows:
+```powershell
+docker run --rm `
+  --volume="${PWD}:/srv/jekyll" `
+  --publish 4000:4000 `
+  jekyll/jekyll `
+  jekyll serve
+```
+
 Step 3 - Once the server is ready, you can open a browser to `http://localhost:4000` to review the documentation locally. If you need to change the default port (`4000`), modify the `--publish` arguments from step 2.
 
 ```bash