spicy-cups-cheat.md

@rgbpp-sdk/btc
minor

Support Full-RBF feature with the sendRbf() and createSendRbfBuilder() API

• Add excludeUtxos, skipInputsValidation options in the sendUtxos() API to support the RBF feature
• Add onlyProvableUtxos option in the sendRgbppUtxos() API for future update supports
• Add changeIndex in the return type of the BTC Builder APIs