* add app support
* code cleanup, add additional test, add CONF_APPS storage logic for import
* simplify schema defaults logic
* remove unnecessary lower() and fix docstring
* remove default return for popping CONF_APPS during import update because we know entry data has CONF_APPS due to if statement
* further simplification
* even more simplification
* fix type hints
* move app configuration to separate step, fix tests, and only make app updates if device_type == tv
* remove errors variable from tv_apps and move tv_apps schema out of ConfigFlow for consistency
* slight refactor
* remove unused error from strings.json
* set unique id as early as possible
* correct which dictionary to use to set unique id in pair_tv step