✨ Setup data

lib/translations/en_us.dart

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+const i18nEnglish = {
+  'query': 'Query',
+  'settings': 'Settings',
+  'preparingData': 'Preparing data...',
+  'settingsApplied': 'Settings Applied',
+  'apply': 'Apply',
+  'searchHistoryNotIncluded': 'Search History not Included, yet',
+};

lib/translations/zh_cn.dart

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+const i18nSimplifiedChinese = {
+  'query': '查询',
+  'settings': '设置',
+  'preparingData': '准备数据中…',
+  'settingsApplied': '设置已应用',
+  'apply': '应用',
+  'searchHistoryNotIncluded': '搜索记录还没实现',
+};