Add warning about browser cache.
## [0.9] - 2019-04-19
+## When updating, press CTRL+F5 on the add-on Web UI to ensure your browser sees the latest version of the add-ons scripts and style. Otherwise the UI may render incorrectly. This will be fixed in the next version.
### Added
- Future support for ingress has been implemented but is currently disabled for compatibility reasons. See [this issue](https://github.com/sabeechen/hassio-google-drive-backup/issues/19) for details.
- Added a help menu item.
