Refactor get/set/del/hasSetting (#2048)
* experimental: refactor get/set/del/hasSetting
* sensors
* lights
* cleaup
* r
* tuya
* fixup! sensors
* fixup! tuya
* header defaults types
* fix lights
* setup already checks for max
* helper for flashstring
* fix overload
* oops
* refactor includes
* warnings
* test with migrate
* add ids in a separate file
* cleanup
rev: crash
rev: domoticz
rev: encoder
rev: loopdelay
rev: hass
rev: i2c
rev2: hass
rev: mqtt
rev: rfm69
rev: relay
rev: rpn
rev: settings setup
rev: hb settings
rev: telnet preprocessor fix
rev: settings wrap
rev: tspk bool style
rev: wifi types
rev: util hb
rev: settings
fixup! rev: settings
* rev: cleanup wifi injections based on new getters
* hasSetting now can return true for empty key
* show hardcoded network in web
* oops
* fix ws referencing wrong index
* ensure empty strings are written
* c/p
* use experimental schema style for payload, mark network as not deletable
* allow to customize converter
* shorter syntax, try using with wifi
* use proper #if syntax to handle definitions that are missing
* fixup ota sc checks getter, cast schEnabled to bool
* add utils header to sensors