#481

#474

[KEEP-0452]: Assign Once Properties

[KEEP-0446] UKlibs and KMP Publication Scheme

[KEEP-412] Update name of annotation + public preview version

[Refinement Types] Add a link to the discussion

[Design Notes] Refinement Types

typo: "Err1" -> "Err2"

Typo: YouTarck -> YouTrack

Update status of stdlib APIs stabilized in 2.2