feat: 抽离 imaghe 组件，为图片增加 header

components/challenges/ChallengeRankingItem.tsx

@@ -1,7 +1,7 @@
+import { Image } from '@/components/ui/Image';
 import { useI18n } from '@/hooks/useI18n';
 import type { RankingItem } from '@/store/challengesSlice';
 import { Ionicons } from '@expo/vector-icons';
-import { Image } from 'expo-image';
 import React from 'react';
 import { StyleSheet, Text, View } from 'react-native';