* remove unused dependencies
* expose configs to enable/disable two-way as experimental
* remove Few logging and clean up settings
* initial imap settings scaffolding and 90-min stream refresh
* fix sse refresh and make it configurable
* fix double printing in provider
* clean up logger names
* safer imap re-login and proper SSE exits
* some more logging with ids
* fix MQTT refresh and cleanly cancel tasks on restart
* document IMAP requirements
* bump 0.6.3 for release
* fix new device load error
* bump 0.6.4 for release
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