new committer (doc/ru): Vladlen Popolitov (vladlen)
Summary:
Complete steps for new committers from the committer's guide:
- Add myself to shared/authors.adoc.
- Add myself to shared/contrib-committers.adoc.
- Add a news entry.
- Add my PGP key.
Reviewed by: maxim (mentor)
Approved by: maxim (mentor)
Differential Revision: https://reviews.freebsd.org/D52556