feat: add identification page

frontend/locales/cht.ts

@@ -4,6 +4,17 @@ export const cht = {
     manager: '管理',
     footer: '© {year} PMS Playlist Sync。已連線至 Docker 後端。',
   },
+  auth: {
+    title: '登入',
+    subtitle: '登入後管理播放清單同步',
+    username: '使用者名稱',
+    password: '密碼',
+    loginBtn: '登入',
+    logout: '登出',
+    loggingIn: '驗證中…',
+    invalidCredentials: '使用者名稱或密碼錯誤',
+    welcome: '歡迎，{user}',
+  },
   common: {
     save: '儲存',
     cancel: '取消',

frontend/locales/en.ts

@@ -4,6 +4,17 @@ export const en = {
     manager: 'Manager',
     footer: '© {year} PMS Playlist Sync. Connected to Docker backend.',
   },
+  auth: {
+    title: 'Login',
+    subtitle: 'Sign in to manage your playlist syncs',
+    username: 'Username',
+    password: 'Password',
+    loginBtn: 'Sign In',
+    logout: 'Logout',
+    loggingIn: 'Verifying...',
+    invalidCredentials: 'Invalid username or password',
+    welcome: 'Welcome, {user}',
+  },
   common: {
     save: 'Save',
     cancel: 'Cancel',

frontend/locales/es.ts

@@ -4,6 +4,17 @@ export const es = {
     manager: 'Gestor',
     footer: '© {year} PMS Playlist Sync. Conectado al backend Docker.',
   },
+  auth: {
+    title: 'Iniciar Sesión',
+    subtitle: 'Ingrese para gestionar sus sincronizaciones',
+    username: 'Usuario',
+    password: 'Password',
+    loginBtn: 'Entrar',
+    logout: 'Salir',
+    loggingIn: 'Verificando...',
+    invalidCredentials: 'Usuario o contraseña incorrectos',
+    welcome: 'Bienvenido, {user}',
+  },
   common: {
     save: 'Guardar',
     cancel: 'Cancelar',

frontend/locales/zh.ts

@@ -4,6 +4,17 @@ export const zh = {
     manager: '管理',
     footer: '© {year} PMS Playlist Sync。已连接到 Docker 后端。',
   },
+  auth: {
+    title: '登录',
+    subtitle: '登录后管理播放列表同步',
+    username: '用户名',
+    password: '密码',
+    loginBtn: '登录',
+    logout: '登出',
+    loggingIn: '验证中...',
+    invalidCredentials: '用户名或密码错误',
+    welcome: '欢迎，{user}',
+  },
   common: {
     save: '保存',
     cancel: '取消',