DAOIP-5 Extension and Stellar Compliance

[Rashmi-278]

Stellar Community Fund intends to publish more data points and requires a way to publish them in extra fields,
which led to the creation of this document https://hackmd.io/k7dbcQZLTX-Es401vz9x3w

This document needs review from @thelastjosh @tbsoc @eleventh19

[thelastjosh]

@tbsoc and @Rashmi-278 are still discussing how to organize the extension. @Rashmi-278 followed up with Stellar, waiting on return!