feat(sdk): 新增青春版分公司概览三个接口方法
- youth_map_branch_company_overview: POST /api/youth/map/branchCompany/overview 分公司基础信息、覆盖城市、GDP/人口及竞品 Top6
- youth_map_branch_company_city_overview: POST /api/youth/map/branchCompany/overview/city
- youth_map_branch_company_brand_shop_count_list: POST /api/youth/map/branchCompany/getBrandShopCountList
- 均支持可选 shopSalesType 销售品类参数