feat: 添加前端页面处理和静态资源支持

- 移除测试端点，添加前端页面处理逻辑
- 实现静态资源处理功能
- 添加SPA路由支持，所有未匹配路径返回前端页面
- 更新依赖，添加@cloudflare/kv-asset-handler

.wrangler/tmp/bundle-xddOtL/middleware-insertion-facade.js

@@ -0,0 +1,11 @@
+				import worker, * as OTHER_EXPORTS from "D:\\github\\pixivnow\\functions\\[[path]].ts";
+				import * as __MIDDLEWARE_0__ from "D:\\github\\pixivnow\\node_modules\\.pnpm\\wrangler@4.42.1\\node_modules\\wrangler\\templates\\middleware\\middleware-ensure-req-body-drained.ts";
+import * as __MIDDLEWARE_1__ from "D:\\github\\pixivnow\\node_modules\\.pnpm\\wrangler@4.42.1\\node_modules\\wrangler\\templates\\middleware\\middleware-miniflare3-json-error.ts";
+
+				export * from "D:\\github\\pixivnow\\functions\\[[path]].ts";
+				const MIDDLEWARE_TEST_INJECT = "__INJECT_FOR_TESTING_WRANGLER_MIDDLEWARE__";
+				export const __INTERNAL_WRANGLER_MIDDLEWARE__ = [
+					
+					__MIDDLEWARE_0__.default,__MIDDLEWARE_1__.default
+				]
+				export default worker;