message: Add note about client config in source map docs
diff: @@ -312,6 +312,18 @@ Troubleshooting
  Source maps can sometimes be tricky to get going. If you're having trouble, try the following tips.
  +Verify you have specified the release in your client config
  +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  +
  +You must specify the active release in your Raven.js client configuration:
  +
  +.. code-block:: javascript
  +
  + Raven.config('your-dsn', {
  + release: '1.2.3-beta'
  + }).install();
  +
  +Sentry needs this to associate ingested event data with the release and artifacts you've created via the API.
  Verify your source maps are built correctly
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  