doc: add self-scan status svg

Signed-off-by: luojiyin <luojiyin@hotmail.com>

Author: luojiyin1987

README.md

@@ -3,6 +3,7 @@
 开源市集官网项目
 
 [![CI & CD](https://github.com/Open-Source-Bazaar/Open-Source-Bazaar.github.io/actions/workflows/main.yml/badge.svg)][7]
+[![Self Scan](https://github.com/Open-Source-Bazaar/Open-Source-Bazaar.github.io/actions/workflows/self-scan.yml/badge.svg)][12]
 
 ## 项目简介
 
@@ -35,3 +36,4 @@ pnpm dev
 [7]: https://github.com/Open-Source-Bazaar/Open-Source-Bazaar.github.io/actions/workflows/main.yml
 [10]: https://github.com/features/actions
 [11]: https://vercel.com/
+[12]: https://github.com/Open-Source-Bazaar/Open-Source-Bazaar.github.io/actions/workflows/self-scan.yml