增加截图

README.md

@@ -1,12 +1,14 @@
 # default
-
-### Where to change
-```
-./global.js   
-	host=your server ip
-	secret=your ZMLMediaKit server secret
-	baseMediaUrl=your app addr
-```
+
+### Where to change
+```
+./global.js   
+	host=your server ip
+	secret=your ZMLMediaKit server secret
+	baseMediaUrl=your app addr 
+```
+![Image text](screenshot/index.png)
+![Image text](screenshot/videoList.png)
 ## Project setup
 ```
 npm install