Add Manticore Search to MacPorts

Manicore Search is currently maintained for Homebrew users in Mac; however, it currently isn’t available for MacPorts. There are users using MacPorts who may find this convenient (like in https://github.com/manticoresoftware/manticoresearch/issues/27#issuecomment-342142564).

There’s a MacPort port for Sphinx Search but it’s outdated (2.2.11):

Is there a chance that we offer this in MacPorts?

Hi. Would be nice to have. Do you have experience with preparing a MacPort? Your contribution would be highly appreciated.

@Sergey, unfortunately, I don’t have experience in MacPort other than just being a user of it.