🎆 Updates year to 2019

Author: frenck

README.md

@@ -123,7 +123,7 @@ SOFTWARE.
 [frenck]: https://github.com/frenck
 [issue]: https://github.com/hassio-addons/qemu-user-static/issues
 [license-shield]: https://img.shields.io/github/license/hassio-addons/qemu-user-static.svg
-[maintenance-shield]: https://img.shields.io/maintenance/yes/2018.svg
+[maintenance-shield]: https://img.shields.io/maintenance/yes/2019.svg
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-production%20ready-brightgreen.svg
 [reddit]: https://reddit.com/r/homeassistant
 [releases-shield]: https://img.shields.io/github/release/hassio-addons/qemu-user-static.svg