Add mmseg 3.2.14; This version is pacthed for compiling errors in MacOS....

Mirror of source code can be found at https://github.com/RobinQu/mmseg;

libmmseg is a Word Identification System for Mandarin Chinese Text Based on Two Variants of the Maximum Matching Algorithm
If they don't care about supporting Homebrew I'm afraid we're not going to include this. I recommend you maintain it in your own tap. Sorry!