更新数据库配置，添加默认时间戳，优化轻代码路由处理，新增示例代码文件

src/test/add-demo-light-code.ts

@@ -0,0 +1,44 @@
+import { app, showMore, showRes } from './common.ts';
+import crypto from 'node:crypto';
+
+export const getStringHash = (str: string) => {
+  return crypto.createHash('md5').update(str).digest('hex');
+}
+const code = `// 这是一个示例代码文件
+import {App} from '@kevisual/router';
+
+const app = new App();
+
+app.route({
+  path: 'hello',
+  description: 'LightCode 示例路由',
+  metadata: {
+    tags: ['light-code', 'example'],
+  },
+}).define(async (ctx) => {
+  console.log('tokenUser:', ctx.query?.tokenUser);
+  ctx.body = 'Hello from LightCode!';
+}).addTo(app);
+
+app.wait();`
+const code2 = `const a = 1`
+
+const res = await app.run({
+  path: 'light-code',
+  key: 'update',
+  payload: {
+    data: {
+      title: 'Demo Light Code',
+      description: '这是一个演示用的轻代码项目，包含一个简单的路由示例。',
+      type: 'light-code',
+      tags: ['demo', 'light-code'],
+      data: {},
+      code: code,
+      hash: getStringHash(code),
+    },
+    token: "st_idht7xpffhgu2eeh94zd8ze1t7ew3amy",
+  },
+
+})
+
+console.log('showMore', showMore(res));