doc(readme): update backtesting example

fix(webscoket): include ws connection with backoff (rodrigo-brito#19)

refactor(structure): remove pkg directory, fix async issues in backte…

…sting (rodrigo-brito#16)

feat(telegram): include start, stop, and status commands

feat(backtesting): add volume indication to trading performance

feat(backtesting): include OCO/Limit order support (rodrigo-brito#6)

refactor(cli): move download to subcomand

refactor(series): move to individual module

fix(actions): release settings