[GNU ELPA] Wcheck-Mode version 2021

[ELPA update]

Version 2021 of package Wcheck-Mode has just been released in GNU ELPA.
You can now find it in M-x package-list RET.

Wcheck-Mode describes itself as:
  General interface for text checkers

More at https://elpa.gnu.org/packages/wcheck-mode.html