Tello Function List for python API

[Tello Function List for python API](https://github.com/lida2003/SnapAirUnitTest/blob/main/docs/Tello_Function_List.md#2-python-api)

Read《Tello SDK 使用说明-中文1.3_1122.pdf》

Expected: Feature list as   Tello Function List controlled by mobile APP #16 
