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/delayed-stream/package.json

@@ -1,30 +0,0 @@
-{
-  "author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
-  "contributors": [
-    "Mike Atkins <apeherder@gmail.com>"
-  ],
-  "name": "delayed-stream",
-  "description": "Buffers events from a stream until you are ready to handle them.",
-  "license": "MIT",
-  "version": "1.0.0",
-  "homepage": "https://github.com/felixge/node-delayed-stream",
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/felixge/node-delayed-stream.git"
-  },
-  "main": "./lib/delayed_stream",
-  "engines": {
-    "node": ">=0.4.0"
-  },
-  "scripts": {
-    "test": "make test"
-  },
-  "dependencies": {},
-  "devDependencies": {
-    "fake": "0.2.0",
-    "far": "0.0.1"
-  },
-  "__npminstall_done": true,
-  "_from": "delayed-stream@1.0.0",
-  "_resolved": "https://registry.npmmirror.com/delayed-stream/-/delayed-stream-1.0.0.tgz"
-}