add lite server

@@ -2,7 +2,12 @@
   "name": "leaflet-echarts",
   "version": "0.1.0",
   "private": true,
+ "scripts": { 
+     "lite": "lite-server –port 10001", 
+     "start": "npm run lite"
+   }, 
   "devDependencies": {
+    "lite-server": "^1.3.1",
     "gulp": "3.9.1",
     "gulp-concat": "2.6.0",
     "gulp-cssmin": "0.1.7",