* Fix force-scanning bug in scanner introduced in last release and add broadcast request feature to help discover Tuya version 3.5 devices by uzlonewolf in https://github.com/jasonacox/tinytuya/pull/511.
* Server p12 updates:
* Added "Force Scan" button to cause server to run a network scan for devices not broadcasting.
* Minor updates to UI for a cleaner title and footer to accommodate button.
* Added logic to allow settings via environmental variables.
* Add broadcast request to local network for version 3.5 devices.
* Fix bug with cloud sync refresh that was losing device mappings.
* Added "Cloud Sync" button to poll cloud for updated device data.