Asynctradier

What's Changed
* feat: :sparkles: implement stock trading api by jiak94 in https://github.com/jiak94/asynctradier/pull/10
* Implement Market Data Streaming Interface by jiak94 in https://github.com/jiak94/asynctradier/pull/11
* Restructure and reformat code by jiak94 in https://github.com/jiak94/asynctradier/pull/12
* marketdata api by jiak94 in https://github.com/jiak94/asynctradier/pull/13


**Full Changelog**: https://github.com/jiak94/asynctradier/compare/v0.0.1.beta11...v0.0.1.beta12

What's Changed
* feat: :sparkles: implement get_calendar interface by jiak94 in https://github.com/jiak94/asynctradier/pull/9


**Full Changelog**: https://github.com/jiak94/asynctradier/compare/v0.0.1.beta10...v0.0.1.beta11

What's Changed
* Implement Account API by jiak94 in https://github.com/jiak94/asynctradier/pull/8


**Full Changelog**: https://github.com/jiak94/asynctradier/compare/v0.0.1.beta9...v0.0.1.beta10

What's Changed
* feat: :sparkles: Implement Multileg Order Interface by jiak94 in https://github.com/jiak94/asynctradier/pull/3
* feat: :sparkles: Implement get quotes interface by jiak94 in https://github.com/jiak94/asynctradier/pull/4
* feat: :sparkles: implement options' market data interface by jiak94 in https://github.com/jiak94/asynctradier/pull/5
* docs: :memo: update readme by jiak94 in https://github.com/jiak94/asynctradier/pull/6

Breaking Changes
* `get_positions`, `_get_orders` return a List instead of a Asyncaggregator
* merge `EquityOrderSide` and `OptionOrderSide` together called `OrderSide`.

**Full Changelog**: https://github.com/jiak94/asynctradier/commits/v0.0.1.beta9