feat: 添加移动端下拉菜单和主题色设置

- 新增 MobileMenu 组件，小屏幕使用汉堡菜单替代多个按钮
- 重构 LanguageSettings 为统一下拉框样式
- 新增设置页面，支持主题色切换
- 翻译页添加源语言选择器
- 更新 8 种语言的 i18n 翻译

messages/de-DE.json

@@ -193,14 +193,20 @@
     "sign_in": "Anmelden",
     "profile": "Profil",
     "folders": "Ordner",
-    "explore": "Entdecken",
-    "favorites": "Favoriten"
+    "explore": "Erkunden",
+    "favorites": "Favoriten",
+    "settings": "Einstellungen"
   },
   "profile": {
     "myProfile": "Mein Profil",
     "email": "E-Mail: {email}",
     "logout": "Abmelden"
   },
+  "settings": {
+    "title": "Einstellungen",
+    "themeColor": "Designfarbe",
+    "themeColorDescription": "Wählen Sie Ihre bevorzugte Designfarbe"
+  },
   "srt_player": {
     "uploadVideo": "Video hochladen",
     "uploadSubtitle": "Untertitel hochladen",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "Sprache erkennen",
+    "sourceLanguage": "Quellsprache",
+    "auto": "Automatisch",
     "generateIPA": "IPA generieren",
     "translateInto": "übersetzen in",
     "chinese": "Chinesisch",

messages/en-US.json

@@ -194,13 +194,19 @@
     "profile": "Profile",
     "folders": "Folders",
     "explore": "Explore",
-    "favorites": "Favorites"
+    "favorites": "Favorites",
+    "settings": "Settings"
   },
   "profile": {
     "myProfile": "My Profile",
     "email": "Email: {email}",
     "logout": "Logout"
   },
+  "settings": {
+    "title": "Settings",
+    "themeColor": "Theme Color",
+    "themeColorDescription": "Choose your preferred theme color"
+  },
   "srt_player": {
     "uploadVideo": "Upload Video",
     "uploadSubtitle": "Upload Subtitle",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "detect language",
+    "sourceLanguage": "source language",
+    "auto": "Auto",
     "generateIPA": "generate ipa",
     "translateInto": "translate into",
     "chinese": "Chinese",

messages/fr-FR.json

@@ -188,19 +188,25 @@
     }
   },
   "navbar": {
-    "title": "apprendre-langues",
+    "title": "learn-languages",
     "sourceCode": "GitHub",
-    "sign_in": "Se connecter",
+    "sign_in": "Connexion",
     "profile": "Profil",
     "folders": "Dossiers",
     "explore": "Explorer",
-    "favorites": "Favoris"
+    "favorites": "Favoris",
+    "settings": "Paramètres"
   },
   "profile": {
     "myProfile": "Mon profil",
     "email": "E-mail : {email}",
     "logout": "Déconnexion"
   },
+  "settings": {
+    "title": "Paramètres",
+    "themeColor": "Couleur du thème",
+    "themeColorDescription": "Choisissez votre couleur de thème préférée"
+  },
   "srt_player": {
     "uploadVideo": "Télécharger la vidéo",
     "uploadSubtitle": "Télécharger les sous-titres",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "détecter la langue",
+    "sourceLanguage": "langue source",
+    "auto": "Auto",
     "generateIPA": "générer l'api",
     "translateInto": "traduire en",
     "chinese": "Chinois",

messages/it-IT.json

@@ -188,19 +188,25 @@
     }
   },
   "navbar": {
-    "title": "impara-lingue",
+    "title": "learn-languages",
     "sourceCode": "GitHub",
     "sign_in": "Accedi",
     "profile": "Profilo",
     "folders": "Cartelle",
     "explore": "Esplora",
-    "favorites": "Preferiti"
+    "favorites": "Preferiti",
+    "settings": "Impostazioni"
   },
   "profile": {
     "myProfile": "Il Mio Profilo",
     "email": "Email: {email}",
     "logout": "Esci"
   },
+  "settings": {
+    "title": "Impostazioni",
+    "themeColor": "Colore del tema",
+    "themeColorDescription": "Scegli il tuo colore del tema preferito"
+  },
   "srt_player": {
     "uploadVideo": "Carica Video",
     "uploadSubtitle": "Carica Sottotitoli",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "rileva lingua",
+    "sourceLanguage": "lingua di origine",
+    "auto": "Auto",
     "generateIPA": "genera ipa",
     "translateInto": "traduci in",
     "chinese": "Cinese",

messages/ja-JP.json

@@ -194,13 +194,19 @@
     "profile": "プロフィール",
     "folders": "フォルダー",
     "explore": "探索",
-    "favorites": "お気に入り"
+    "favorites": "お気に入り",
+    "settings": "設定"
   },
   "profile": {
     "myProfile": "マイプロフィール",
     "email": "メール: {email}",
     "logout": "ログアウト"
   },
+  "settings": {
+    "title": "設定",
+    "themeColor": "テーマカラー",
+    "themeColorDescription": "お好みのテーマカラーを選択してください"
+  },
   "srt_player": {
     "uploadVideo": "ビデオをアップロード",
     "uploadSubtitle": "字幕をアップロード",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "言語を検出",
+    "sourceLanguage": "ソース言語",
+    "auto": "自動",
     "generateIPA": "ipaを生成",
     "translateInto": "翻訳先",
     "chinese": "中国語",

messages/ko-KR.json

@@ -194,13 +194,19 @@
     "profile": "프로필",
     "folders": "폴더",
     "explore": "탐색",
-    "favorites": "즐겨찾기"
+    "favorites": "즐겨찾기",
+    "settings": "설정"
   },
   "profile": {
     "myProfile": "내 프로필",
     "email": "이메일: {email}",
     "logout": "로그아웃"
   },
+  "settings": {
+    "title": "설정",
+    "themeColor": "테마 색상",
+    "themeColorDescription": "원하는 테마 색상을 선택하세요"
+  },
   "srt_player": {
     "uploadVideo": "비디오 업로드",
     "uploadSubtitle": "자막 업로드",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "언어 감지",
+    "sourceLanguage": "원본 언어",
+    "auto": "자동",
     "generateIPA": "IPA 생성",
     "translateInto": "번역할 언어",
     "chinese": "중국어",

messages/ug-CN.json

@@ -188,19 +188,25 @@
     }
   },
   "navbar": {
-    "title": "تىل-ئۆگىنىش",
+    "title": "learn-languages",
     "sourceCode": "GitHub",
     "sign_in": "كىرىش",
     "profile": "شەخسىي ئۇچۇر",
     "folders": "قىسقۇچلار",
     "explore": "ئىزدىنىش",
-    "favorites": "يىغىپ ساقلانغانلار"
+    "favorites": "يىغىپ ساقلاش",
+    "settings": "تەڭشەكلەر"
   },
   "profile": {
     "myProfile": "شەخسىي ئۇچۇرۇم",
     "email": "ئېلخەت: {email}",
     "logout": "چىكىنىش"
   },
+  "settings": {
+    "title": "تەڭشەكلەر",
+    "themeColor": "تېما رەڭگى",
+    "themeColorDescription": "ياقتۇرىدىغان تېما رەڭگىڭىزنى تاللاڭ"
+  },
   "srt_player": {
     "uploadVideo": "ۋىدېئو يۈكلەش",
     "uploadSubtitle": "تر پودكاست يۈكلەش",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "تىلنى تونۇش",
+    "sourceLanguage": "مەنبە تىلى",
+    "auto": "ئاپتوماتىك",
     "generateIPA": "ipa ھاسىل قىلىش",
     "translateInto": "تەرجىمە قىلىش",
     "chinese": "خەنزۇچە",

messages/zh-CN.json

@@ -194,13 +194,19 @@
     "profile": "个人资料",
     "folders": "文件夹",
     "explore": "探索",
-    "favorites": "收藏"
+    "favorites": "收藏",
+    "settings": "设置"
   },
   "profile": {
     "myProfile": "我的个人资料",
     "email": "邮箱：{email}",
     "logout": "退出登录"
   },
+  "settings": {
+    "title": "设置",
+    "themeColor": "主题色",
+    "themeColorDescription": "选择您喜欢的主题色"
+  },
   "srt_player": {
     "upload": "上传",
     "uploadVideo": "上传视频",
@@ -239,6 +245,8 @@
   },
   "translator": {
     "detectLanguage": "检测语言",
+    "sourceLanguage": "源语言",
+    "auto": "自动",
     "generateIPA": "生成国际音标",
     "translateInto": "翻译为",
     "chinese": "中文",