Add ESPHome Assist satellite configuration (#126085)

* Basic implementation

* Add websocket commands

* Clean up

* Add callback to other signatures

* Remove unused constant

* Re-add callback

* Add callback to test

* Implement get/set configuration

* Add tests

* Re-add constant

* Bump aioesphomeapi

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Co-authored-by: Paulus Schoutsen <balloob@gmail.com>