chore: 更新静态资源文件并清理构建输出目录

删除旧的构建输出文件，包括图片资源和编译生成的JavaScript文件
添加新的图标资源文件到assets/img目录
更新package.json中的开发脚本配置

.output/server/node_modules/asynckit/parallel.js

@@ -1,43 +0,0 @@
-var iterate    = require('./lib/iterate.js')
-  , initState  = require('./lib/state.js')
-  , terminator = require('./lib/terminator.js')
-  ;
-
-// Public API
-module.exports = parallel;
-
-/**
- * Runs iterator over provided array elements in parallel
- *
- * @param   {array|object} list - array or object (named list) to iterate over
- * @param   {function} iterator - iterator to run
- * @param   {function} callback - invoked when all elements processed
- * @returns {function} - jobs terminator
- */
-function parallel(list, iterator, callback)
-{
-  var state = initState(list);
-
-  while (state.index < (state['keyedList'] || list).length)
-  {
-    iterate(list, iterator, state, function(error, result)
-    {
-      if (error)
-      {
-        callback(error, result);
-        return;
-      }
-
-      // looks like it's the last one
-      if (Object.keys(state.jobs).length === 0)
-      {
-        callback(null, state.results);
-        return;
-      }
-    });
-
-    state.index++;
-  }
-
-  return terminator.bind(state, callback);
-}