add i18n feat && Add partial translation

src/i18n/languages.js

@@ -0,0 +1,48 @@
+/**
+ * Supported Languages Configuration
+ *
+ * This file contains the list of supported languages for the application.
+ * Each language includes:
+ * - value: Language code (e.g., 'en', 'zh-CN')
+ * - label: Display name in English
+ * - nativeName: Native language name for display
+ */
+
+export const languages = [
+  {
+    value: 'en',
+    label: 'English',
+    nativeName: 'English',
+  },
+  {
+    value: 'zh-CN',
+    label: 'Simplified Chinese',
+    nativeName: '简体中文',
+  },
+];
+
+/**
+ * Get language object by value
+ * @param {string} value - Language code
+ * @returns {Object|undefined} Language object or undefined if not found
+ */
+export const getLanguage = (value) => {
+  return languages.find(lang => lang.value === value);
+};
+
+/**
+ * Get all language values
+ * @returns {string[]} Array of language codes
+ */
+export const getLanguageValues = () => {
+  return languages.map(lang => lang.value);
+};
+
+/**
+ * Check if a language is supported
+ * @param {string} value - Language code to check
+ * @returns {boolean} True if language is supported
+ */
+export const isLanguageSupported = (value) => {
+  return languages.some(lang => lang.value === value);
+};