Add Support to All Order Types Available in Lean

[AlexCatarino]

Expected Behavior

All order types available in both Lean and TD Ameritrade are supported. https://developer.tdameritrade.com/account-access/apis/post/accounts/%7BaccountId%7D/orders-0

Actual Behavior

master supports MarketOrder, LimitOrder, StopMarketOrder, StopLimitOrder while Lean and TD Ameritrade supports also support MarketOnOpen (MOO), MarketOnClose (MOC) and ExerciseOption.

Potential Solution

Implement MOC and MOO orders.

• ExerciseOption will come with Option support.

Checklist

• [x] I have completely filled out this template
• [x] I have confirmed that this issue exists on the current master branch
• [x] I have confirmed that this is not a duplicate issue by searching issues
• [x] I have provided detailed steps to reproduce the issue

[Romazes]

Hello, @AlexCatarino I explored documentation of TD Ameritrade. I didn't find info about MarketOnOpen[MOO] order type. You may look of picture below.