v2.0.0

sdk v3 (#104)

* sdk v3

* utilize requestConfig for setting headers

* remove logs

* follow request config pattern

* fix card brand test

* card brand shared property

* fix tests

* header fix in tests

* minor nits

* add opal and simulations

* fix tests?

* nit

* fix declarations

* fix test utils

* additional opal types

* add liability sub types