adjust readme, webpack-config

Author: yama-dev

README.md

@@ -46,9 +46,15 @@ import SCROLL_EFFECT_MODULE from 'js-scroll-effect-module';
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/yama-dev/js-scroll-effect-module/examples/scroll-effect-module.css">
 <script src="https://cdn.jsdelivr.net/gh/yama-dev/js-scroll-effect-module/dist/js-scroll-effect-module.js"></script>
 
-<div data-scroll data-scroll-name="name-1"></div>
+<div data-scroll></div>
 
-<div data-scroll data-scroll-name="name-2"></div>
+<div data-scroll></div>
+
+<script>
+new SCROLL_EFFECT_MODULE({
+  target: '[data-scroll]',
+});
+</script>
 ```
 
 ### Advanced Use

webpack.config.js

@@ -66,13 +66,6 @@ const config = {
             preamble: comment,
             comments: false,
           },
-          // mangle: {
-          //   properties: {
-          //     builtins: true,
-          //   },
-          //   keep_fnames: true,
-          //   reserved: ['SCROLL_EFFECT_MODULE'],
-          // },
           compress: {
             drop_console: true
           }