feat: 添加注册页面，包含横幅和签到按钮，优化页面布局和样式

src/router/index.ts

@@ -35,6 +35,10 @@ const routes: Array<RouteRecordRaw> = [
       },
     ],
   },
+  {
+    path: "/signup",
+    component: () => import("@/views/signup/index.vue"),
+  },
 ];
 
 const router = createRouter({