Establishment of Mechanism to Create Currency Baskets

With recent listings to the platform (eg, Gold, Silver, EURS / EURD??) suggest a mechanism be developed to create a currency basket (eg. CURVE’s 3 pool stable basket (USDC/USDT/DAI). OR some other combination of n+ currencies. This would be in the vein of GOUSD – but with the possibility of other components (and controlled by FOLKS)