doc: add Minqi Pan to collaborators

Also changed alias P.S.V.R to Minqi Pan.

Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
PR-URL: #6387

Author: pmq20

README.md

@@ -193,6 +193,7 @@ information about the governance of the Node.js project, see
 * [Olegas](https://github.com/Olegas) - **Oleg Elifantiev** <oleg@elifantiev.ru>
 * [petkaantonov](https://github.com/petkaantonov) - **Petka Antonov** <petka_antonov@hotmail.com>
 * [phillipj](https://github.com/phillipj) - **Phillip Johnsen** <johphi@gmail.com>
+* [pmq20](https://github.com/pmq20) - **Minqi Pan** <pmq2001@gmail.com>
 * [qard](https://github.com/qard) - **Stephen Belanger** <admin@stephenbelanger.com>
 * [rlidwka](https://github.com/rlidwka) - **Alex Kocharin** <alex@kocharin.ru>
 * [rmg](https://github.com/rmg) - **Ryan Graham** <r.m.graham@gmail.com>