添加一个完整的例子

README.md

@@ -16,9 +16,28 @@
         with:
           format: YYYYMMDD-HH
           utcOffset: "+08:00"
-- uses: easychen/github-action-server-chan@v1
+- uses: easychen/github-action-server-chan@v1.0.0
   with:
     sendkey: ${{ secrets.sendkey }}
     title: "server酱Action更新啦 ${{ steps.current-time.outputs.formattedTime }}"
     desp: "可以为空。支持Markdown"
 ```
+
+一个完整的例子：
+
+在仓库根目录新建 `.github/workflows/test.yml`，内容如下：
+
+```yaml
+name: 'build-test'
+on:
+  push:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: ServerChan · Server酱通知
+        uses: easychen/github-action-server-chan@v1.0.0
+        with:
+          sendkey: ${{ secrets.sendkey }}
+          title: "我是一个小测试😝"
+```