update readme

pomelott · pomelott · commit 863ab7157c89 · 2020-08-12T21:14:41.000+08:00
diff --git a/README.md b/README.md
@@ -77,6 +77,18 @@ or
     npm run build
 ```
 
+* 压缩图片
+
+```bash
+    npm run min-img
+```
+
+* 输出dll
+
+```bash
+    npm run dll
+```
+
 * bundle分析
 
 ```bash
