Establish 1 sentence "pitch" for PAIR-CG

[ybressler]

We should have a handy one liner to describe PAIR-CG.

(Note, this is an example of an issue to demonstrate functionality.)

[mariel-marshall]

How about:

PAIR-CG is a group designed to collaboratively create digital infrastructure to support performing arts digital tools. The group meets monthly and is open to all. Official joining is done via the W3C: https://www.w3.org/community/pair-cg/

[drosu]

A riff on the same theme:
PAIR-CG is a community group that collaboratively creates semantic infrastructure for the next generation of performing arts digital tools.