Update README.MD (#275)

* Update README.MD

Tell Windows users about necessary path changes for WAR deployment to work. The same issue keeps getting opened up multiple times (see #273 as the most recent), so having this information in the README may help.

* Update README

Explicitly reference PATH as the variable that needs to change.

* Update README.md

Co-authored-by: Yan Zhang <[email protected]>

Author: eschulma

README.md

@@ -25,6 +25,8 @@
 * [Apache Tomcat](http://tomcat.apache.org/)
 * [Debugger for Java](https://marketplace.visualstudio.com/items?itemName=vscjava.vscode-java-debug) (for debuging war package)
 
+If you are a Windows user, you should add the bin subdirectory of your JDK installation to your PATH environment variable (User or System) and restart VS Code. This is required to debug/run war packages from the VS Code context menu.
+
 ## Contributing
 
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [[email protected]](mailto:[email protected]) with any additional questions or comments.
@@ -33,4 +35,4 @@ This project has adopted the [Microsoft Open Source Code of Conduct](https://ope
 Refer to [CHANGELOG](CHANGELOG.md)
 
 ## Telemetry
-VS Code collects usage data and sends it to Microsoft to help improve our products and services. Read our [privacy statement](https://go.microsoft.com/fwlink/?LinkID=528096&clcid=0x409) to learn more. If you don't wish to send usage data to Microsoft, you can set the `telemetry.enableTelemetry` setting to `false`. Learn more in our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_how-to-disable-telemetry-reporting).
+VS Code collects usage data and sends it to Microsoft to help improve our products and services. Read our [privacy statement](https://go.microsoft.com/fwlink/?LinkID=528096&clcid=0x409) to learn more. If you don't wish to send usage data to Microsoft, you can set the `telemetry.enableTelemetry` setting to `false`. Learn more in our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_how-to-disable-telemetry-reporting).