doc: 数据库设计独立成一章

c922882c · Junling Bu · 362670a7 · c922882c · c922882c · c922882c
Commit c922882c authored Mar 12, 2020 by Junling Bu
--- a/doc/README.md
+++ b/doc/README.md
@@ -5,6 +5,7 @@
 * [贡献指南](../CONTRIBUTE.md)
 * [FAQ](./FAQ.md)
 * [API](./api.md)
+* [数据库](./database.md)
 * [1. 系统架构](./project.md)
 * [2. 基础系统](./platform.md)
 * [3. 小商场](./wxmall.md)

--- a/doc/database.md
+++ b/doc/database.md
--- a/doc/pics/platform/order-status.png
+++ b/doc/pics/platform/order-status.png
--- a/doc/platform.md
+++ b/doc/platform.md