阶段2:拆分为 ES Module + Rollup 构建,重写 README

- src/ 下拆分为入口/语言包/默认配置/主函数/工具模块,主函数整体搬入零改动
- rollup 打包 UMD(moeplayer.js + moeplayer.min.js),用户使用方式不变
- 库拷贝逻辑移至 scripts/copy-libs.js
- README 重写:中文文档、快速开始、路线图、致谢原作者
- index.html 增加皮肤切换演示(默认/红色/西瓜)

src/utils/path.js

@@ -0,0 +1,26 @@
+import { isUndefined } from './type.js';
+
+	/*
+	 * getPath
+	 * 功能：获取该js文件所在路径
+	*/
+	function getPath(siz) {
+		var scriptList = document.scripts,
+			thisPath = scriptList[scriptList.length - 1].src;
+		for (var i = 0; i < scriptList.length; i++) {
+			var scriptName = scriptList[i].getAttribute('name') || scriptList[i].getAttribute('data-name');
+			var src = scriptList[i].src.slice(scriptList[i].src.lastIndexOf('/') + 1, scriptList[i].src.lastIndexOf('.'));
+			if ((scriptName && (scriptName == 'moeplayer' || scriptName == 'moeplayer.min')) || (scriptList[i].src && (src == 'moeplayer' || src == 'moeplayer.min'))) {
+				thisPath = scriptList[i].src;
+				break;
+			}
+		}
+		var path=thisPath.substring(0, thisPath.lastIndexOf('/js/') + 1);
+		if(!isUndefined(siz)){
+			path+=siz+'/';
+		}
+		return path;
+	}
+
+
+export { getPath };