update README.md

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

README.md

@@ -7,5 +7,16 @@ Send dingding simple notify message.
   uses: zcong1993/actions-ding@master
   with:
     dingToken: ${{ secrets.DING_TOKEN }}
-    message: test message
+    body: |
+      {
+        "msgtype": "link",
+        "link": {
+            "text": "这个即将发布的新版本，创始人陈航（花名“无招”）称它为“红树林”。而在此之前，每当面临重大升级，产品经理们都会取一个应景的代号，这一次，为什么是“红树林”？",
+            "title": "时代的火车向前开",
+            "picUrl": "",
+            "messageUrl": "https://www.dingtalk.com/s?__biz=MzA4NjMwMTA2Ng==&mid=2650316842&idx=1&sn=60da3ea2b29f1dcc43a7c8e4a7c97a16&scene=2&srcid=09189AnRJEdIiWVaKltFzNTw&from=timeline&isappinstalled=0&key=&ascene=2&uin=&devicetype=android-23&version=26031933&nettype=WIFI"
+        }
+      }
 ```
+
+put any kind of message body [dingding](https://ding-doc.dingtalk.com/doc#/serverapi2/qf2nxq) support into `body` field.