doc: add contributing info.

.github/workflows/ci.yml

@@ -16,6 +16,13 @@ jobs:
       - run: npm install
       - run: npm run build
 
+      - name: Generate Contributors Images
+        uses: jaywcjlove/github-action-contributors@main
+        with:
+          filter-author: (renovate\[bot\]|renovate-bot|dependabot\[bot\])
+          output: dist/CONTRIBUTORS.svg
+          avatarSize: 42
+
       - name: Create Tag
         id: create_tag
         uses: jaywcjlove/create-tag-action@main

README.md

@@ -105,6 +105,16 @@ Quick Reference
 <!--rehype:style=margin-top:3rem-->
 
 <!--rehype:ignore:start-->
+## 贡献
+
+请参阅[贡献指南](./CONTRIBUTING.md)了解如何开始。一如既往，感谢我们出色的贡献者！
+
+<a href="https://github.com/jaywcjlove/reference/graphs/contributors">
+  <img src="https://jaywcjlove.github.io/reference/CONTRIBUTORS.svg" />
+</a>
+
+上图贡献者列表，由 [action-contributors](https://github.com/jaywcjlove/github-action-contributors) 自动生成贡献者图片。
+
 ## License
 
 MIT © [Kenny Wong](https://github.com/jaywcjlove)