* s/esp-radio-preempt-baremetal/esp-preempt/g
esp-preempt will hopefully one day be more useful than just a scheduler
for esp-radio, therefore I've removed the radio prefix for that future
goal. I also felt that baremetal didn't really add much other than
noise, so I've removed that postfix too.
* fix xtask
* remove test code
* fixups
* rename `esp_wifi`-prefixed symbols to match new `esp-radio` crate name
* fmt
* rename the rest of functions + example variable renaming
* add migration guide
* reword 😅
* rename `esp-wifi` to `esp-radio`
* Add migration guide entry
* changelog entry
* address reviews
* more fixes
* address reviews
* Thank you for this rebase!
* mmm, rebase
* Remove unnecessary diff
bob
* get rid off all `esp-wifi` references
* drop the links ƒrom the table
