add the MAWG charter to the site, mention MAWG

[teauxfu]

The current pages for FITE were set up before MAWG was chartered. We should talk about MAWG on the site, and also provide a link to our charter.

https://docs.google.com/document/d/1aicj_4MH3Vp1JJw89ymGVy0Mo6n5Est6TXRLB941C10/edit?tab=t.0#heading=h.b4po8k6613ey