ATS MQTT Client

Feb 24, 2020

- Add refresh button on Devices page for reloading list of devices.
- Improve readability of readings (contrast).
- Simplify PWM controls.
- Add option to hide device card on Devices page (available in Settings).
- Fold device cards on Devices page if there are more than 1 device to display (device card can be expanded/folded by tapping its name on Devices page).
- Add link to website in menu, for quick access to adding devices, etc..
- Update layout of Settings page.
- Fix minor bugs.