New port devel/phpstorm: ligthning-smart PHP IDE.

This is in the same family of IntelliJ products from JetBrains.
Commercial and academic licenses are available.

Note: a new version was just released but it doesn't work well on FreeBSD.

Approved by: ports (tobik)
PR: 233842
Differential Revision: https://reviews.freebsd.org/D18477