Merge pull request #106 from microsoft/lramos15/addDocLink

Add telemetry guideline link to readme

Author: lramos15

README.md

@@ -1,7 +1,7 @@
 # [@vscode/extension-telemetry](https://www.npmjs.com/package/@vscode/extension-telemetry)
 This module provides a consistent way for extensions to report telemetry
 over Application Insights. The module respects the user's decision about whether or
-not to send telemetry data.
+not to send telemetry data. See [telemetry extension guidelines](https://code.visualstudio.com/api/extension-guides/telemetry) for more information on using telemetry in your extension.
 
 Follow [guide to set up Application Insights](https://docs.microsoft.com/en-us/azure/azure-monitor/app/create-new-resource) in Azure and get your key.