Add Plex Math to [What’s new]

[mjabbink]

When IBM Plex Math is released on GitHub, please plan to have this go up soon after for communication purposes.

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After a year of anticipation, we are excited to introduce IBM Plex® Math. This highly anticipated release includes over 600 new glyphs, covering a wide range of mathematical symbols (such as alphanumeric, double-struck, fraktur, operators, and script), icons, arrows, Greek letters, phonetics, technical and geometric shapes — making it one of the most complete math fonts available today. IBM Plex Math is a game-changer, providing a fresh and comprehensive alternative to STIX and Microsoft’s Cambria. Its compatibility with IBM Plex Serif Regular makes it an ideal choice for IBM researchers and mathematicians.