Version 1.0.0

Stableswap Masterchef refactor (#31)

* add stableswap subgraph queries, refactor chef program to work with stableswap

* fix typo

* fix occurances of calculateReserves

* use voltfinance/stableswap subgraph

* simplify tvl

* modify stableswap query to fit interface

* fix tokens attribute

* refactor multi rewards

* refactor single rewards

* v1.0.0