Integrate curve contracts for stable pool analysis

[kinrezC]

• We want to be able to compare the performance of the DFMM stable pool to the curve pools

[0xJepsen]

Should we also migrate this to the DFMM repo? Or do we want to make a arbiter-curve repo to build the "plugin" and go from there?

[clemlak]

Should we also migrate this to the DFMM repo? Or do we want to make a arbiter-curve repo to build the "plugin" and go from there?

I think comparative analysis should be here, not in the DFMM repo.