* Convert nut to a multi step config flow
* Users can now choose the ups they want in
step 2 (or skipped if only one)
* Users can now select the resources they want
to monitor based on what is actually available
on the device
* CONF_NAME has been removed as we now get the
name from NUT
* Device classes have been added which allows
the battery charge state to be seen in the
devices UI
* Remove update_interval as its for a followup PR
* explict
* reduce
* fix bug, add tests for options flow
* Test for dupe import
* Test for dupe import
* Call step directly
* Update homeassistant/components/nut/config_flow.py
Co-Authored-By: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
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