feat: adding more docs about minimum required data for external accounts#312

pengying wants to merge 1 commit intomainlightsparkdev/grid-api:mainfrom

03-31-feat_adding_more_docs_about_minimum_required_data_for_external_accountslightsparkdev/grid-api:03-31-feat_adding_more_docs_about_minimum_required_data_for_external_accountsCopy head branch name to clipboard