* Add config flow support
* Log error on failed connection
* Review comments
* Unused errors
* Move form to step
* Use instance var instead of passing argument
* Only share servers created by component
* Return errors early to avoid try:else
* Separate debug for validation vs setup
* Unnecessary
* Unnecessary checks
* Combine import flows, move logic to component
* Use config entry discovery handler
* Temporary lint fix
* Filter out servers already configured
* Remove manual config flow
* Skip discovery if a config exists
* Swap conditional to reduce indenting
* Only discover when no configs created or creating
* Un-nest function
* Proper async use
* Move legacy file import to discovery
* Fix, bad else
* Separate validate step
* Unused without manual setup step
* Async oops
* First attempt at tests
* Test cleanup
* Full test coverage for config_flow, enable tests
* Lint
* Fix lint vs black
* Add test init
* Add test package requirement
* Actually run script
* Use 'not None' convention
* Group exceptions by result
* Improve logic, add new error and test
* Test cleanup
* Add more asserts
jjlawren
Bas Nijholt