docs: update readme

README.md

@@ -76,3 +76,11 @@ https://developers.weixin.qq.com/miniprogram/dev/component/store-product.html
 
   /pages/profile/index?profileId=xxxx
 
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+# 接口文档
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+后台接口文档 https://bluebook.feishu.cn/docx/Ckh0dLOBzo0rjyxrUkrc0ffdn2c
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+开发进度在线文档 https://www.kdocs.cn/l/cgHRgaGkRuJu