Prop 157: Token Registry Proposal: adding BLD (Agoric) and stDYDX (Stride Staked DYDX) asset to leverage registry.

This is a token registry proposal to adding BLD (Agoric) and stDYDX (Stride Staked DYDX) asset to leverage registry. Please vote 'Yes' if you support to this proposal, and 'No' if you oppose it. Please check the more info on commonwealth post for stDYDX: https://commonwealth.im/ux/discussion/15494-asset-listing-stdydx-proposed-parameters. Please check the more info on commonwealth post for BLD: https://commonwealth.im/ux/discussion/16562-listing-proposal-add-support-for-bld-agoric. Please update your price feeder config to support BLD and stDYDX.