- Add `convert` orders for direct base/quote token exchange without order book
- Distinguish buy/sell validation: buy uses quoteOrderQty, sell uses quantity
- Support automatic amount estimation when only one of quantity/quoteOrderQty is provided
- Update README: replace old order type list, document convert usage with BASE/QUOTE symbols and new examples
- Lowercase order_type and side values throughout documentation
- Read trading instructions from JSON configuration file
- Support executing multiple trades by date (* means executing daily)
- Automatically fetch real-time price as the limit price when no price is provided
- For LIMIT, LIMIT_MAKER orders, support providing only quoteOrderQty to automatically calculate the quantity