Clarify use of `BinaryView.add_function` in docs
Clarify use of `BinaryView.add_function` in docs

Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api