* Use common strings in emulated roku
Replace IP and port with references from common strings
* Update strings.json
*Replace References in mix with sentence with their values.
*Replace name_exists with already_configured
* Replace references in config_flow
* Use f-strings in integrations starting with B
* Use f-strings in integrations starting with C
* Use f-strings in integrations starting with D
* Use f-strings in integrations starting with E
* Fix pylint errors
* Fix pylint errors v2
* Fix tests
* Fix tests v2