feat: 添加饮水设置页面，支持每日饮水目标和快速添加默认值的配置

app/(tabs)/_layout.tsx

@@ -1,8 +1,8 @@
+import type { BottomTabNavigationOptions } from '@react-navigation/bottom-tabs';
 import * as Haptics from 'expo-haptics';
 import { Tabs, usePathname } from 'expo-router';
 import React from 'react';
 import { Text, TouchableOpacity, View, ViewStyle } from 'react-native';
-import type { BottomTabNavigationOptions } from '@react-navigation/bottom-tabs';
 
 import { IconSymbol } from '@/components/ui/IconSymbol';
 import { Colors } from '@/constants/Colors';
@@ -18,7 +18,7 @@ type TabConfig = {
 
 const TAB_CONFIGS: Record<string, TabConfig> = {
   statistics: { icon: 'chart.pie.fill', title: '健康' },
-  explore: { icon: 'magnifyingglass.circle.fill', title: '发现' },
+  // explore: { icon: 'magnifyingglass.circle.fill', title: '发现' },
   goals: { icon: 'flag.fill', title: '习惯' },
   personal: { icon: 'person.fill', title: '个人' },
 };
@@ -35,7 +35,7 @@ export default function TabLayout() {
       goals: ROUTES.TAB_GOALS,
       statistics: ROUTES.TAB_STATISTICS,
     };
-    
+
     return routeMap[routeName] === pathname || pathname.includes(routeName);
   };
 
@@ -43,11 +43,11 @@ export default function TabLayout() {
   const createTabButton = (routeName: string) => (props: any) => {
     const { onPress } = props;
     const tabConfig = TAB_CONFIGS[routeName];
-    
+
     if (!tabConfig) return null;
-    
+
     const isSelected = isTabSelected(routeName);
-    
+
     const handlePress = (event: any) => {
       if (process.env.EXPO_OS === 'ios') {
         Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);