* Add Caldav todo enttiy for VTODO components
* Use new shared apis for todos
* Update homeassistant/components/caldav/todo.py
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
* Update todo item conversion checks
* Iterate over results once
* Add 15 minute poll interval for caldav todo
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Co-authored-by: Martin Hjelmare <marhje52@gmail.com>