feat:增加主题色模块

lib/layout/app_drawer.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import 'package:food_hub_app/layout/theme_layout.dart';
+
+class AppDrawer extends StatefulWidget {
+  const AppDrawer({super.key});
+
+  @override
+  State<StatefulWidget> createState() => AppDrawerState();
+}
+
+class AppDrawerState extends State<AppDrawer> {
+  @override
+  Widget build(BuildContext context) {
+    // final themeProvider = Provider.of<ThemeProvider>(context);
+
+    return Drawer(
+      child: ListView(
+        padding: EdgeInsets.zero,
+        children: [
+          ConstrainedBox(
+            constraints: const BoxConstraints(maxHeight: 100),
+            child: DrawerHeader(
+              decoration: BoxDecoration(color: Theme.of(context).primaryColor),
+              child: const Text(
+                '设置',
+                style: TextStyle(color: Colors.white, fontSize: 24),
+              ),
+            ),
+          ),
+          ThemeLayout(),
+          const Divider(),
+          ListTile(
+            leading: const Icon(Icons.info),
+            title: const Text('关于我们'),
+            onTap: () {
+              Navigator.pop(context); // 关闭抽屉
+              // 跳转到关于页面
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}