v2.1.0: 1) feat: use crate with MSM and turn on portable (#154)
* feat: use crate with MSM and turn on portable * chore: remove blst submodule * chore: remove .gitmodules (matthewkeil) (SHA: b86329d4962aacc77d1cbf0b4485b83191e69b4c) 2) feat: release 2.1.0 (#158) * v2.1.0 * fix: remove submodule from CI * chore: remove blst??? why did that happen (matthewkeil) (SHA: 60c1450ff35be449c8f62788d663fa01e5323030)