prioritize hw instead of straight up removing the choice to create a sw
object. for example, allow to use either of the swapped UART0 pins when
we already use the main ones

if tick object exists, repeat flag was set for the os_timer_arm()
do not fire more than once when repeating was not requested

c/p PSTR attribute from Core files
dostring declaration with a macro instead of a scary looking boilerplate

saves varying amount of code space, mostly deals with our key and cmd strings

see #2544

use updated class method for comparison
same prefix did not work with exact lengths

looks like bootloader implementation avoids static and bss zero-init
does not solve the crashing, though

* make sure we don't apply hsv and brightnesss, only take hue and saturation
  when calculating inputs. use value as brightness percentage, wrapping
  the original function (which also makes other modules use this codepath)
* deduce interface elements based on both setting and incoming
  properties. wrap everything in {light: ...} in both inputs and
  outputs, alse allow to update multiple properties at the same time
* add light state toggle when special lights relay is not set up
* remove channel, state and brightness elements through css styling
  instead of going to the elements directly. no need to chech whether
  certain elements exist

generic pwm causes hwdt, needs investigation

replace with ${GITHUB_OUTPUT}
https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

solves edge-case when we move our storage nearby a previously erased kv,
causing it to be treated as a key or a value with length 255 (... 0x00 0xff)

also stop set() from erasing data when it is not possible to store it in
the first place

additional test case similar to permutations one, make sure keys don't
disappear while we write to the storage a lot of times and possibly
introduce the two cases above

fixing previous builds getting stuck on Sep 21st

turns out it *really* uses file modification time
updating VERSION does not change a thing, it does not work like scons :>

* stateless callbacks for mqttRegister. no module uses the lambda / std
  func with captures or otherwise, so it is kind of pointless to have it
* make sure we know topic and payload length at all invocations and
  not constantly trying to re-parse the same string over and over again
* clean-up api related to string parsing and make sure we allow
  stringview as input
* clean-up id / unsigned number parsing to work with views instead of
  using a generic strto{,u}l; sometimes this works, sometimes doesn't.
  as noticed previously with IR implementation, it *will* parse until
  the '\0' is found in the input and we can't interpret parts of the
  string without doing a copy for the strtoul
* fixing additional bugs caught in ifan, leds, sensors and lights that
  were causing build failures. plus, more range-based parsing code for
  the same reason as described above

* globally accessible system timer class; help out with our internal
  scheduling by always using strongly typed duration and dynamic
  time adjustment for durations longer than system limits
  (see `os_timer_t` documentation)
* our own class for scheduled callbacks which are either choosing a
  simple function pointer or std function wrapper, depending on the type
  passed into the constructor. specifically for scheduled functions,
  this allows us to filter globally scheduled functions and push them to
  the front of the queue when necessary to ensure certain order of calls
* replace Ticker instances with SystemTimer
* allow types {h, cpp} in unit tests

see #2539

separate color and white channel availability from settings;
allow color, hs, mired inputs but do not send anything when those are disabled

advertise `color_mode` support, match specific number of channels
with some special mode that should be used on the remote
(which are, currently, shown in separate control tabs)

placeholders do not really work for more than one line

also replace external function calls that are already handled by Info