feat: implement i18n for product and category, add 5 new locales

apps/spa/src/locales/zh/translation.json

@@ -0,0 +1,59 @@
+{
+  "nav": {
+    "home": "首页",
+    "shop": "商店",
+    "collections": "系列",
+    "scentGuide": "香气指南",
+    "about": "关于我们",
+    "menu": "菜单",
+    "faq": "常见问题",
+    "contact": "联系我们",
+    "shopNow": "立即购买",
+    "findMyScent": "寻找我的香气 ✨",
+    "promotions": "促销",
+    "profile": "我的主页",
+    "search": {
+      "title": "搜索",
+      "placeholder": "搜索香气...",
+      "quickLinks": "快速链接",
+      "allProducts": "所有商品"
+    }
+  },
+  "cart": {
+    "title": "购物车",
+    "items": "{{count}} 件",
+    "empty": "您的购物车是空的。",
+    "continueShopping": "继续购物",
+    "subtotal": "小计",
+    "shippingNote": "运费和税费将在结账时计算。",
+    "proceed": "去结账",
+    "addToCart": "加入购物车",
+    "totalPrice": "总价"
+  },
+  "footer": {
+    "catchphrase": "用高级香氛提升您的空间。",
+    "explore": "探索",
+    "support": "支持",
+    "followUs": "关注我们",
+    "contactUs": "联系我们",
+    "rights": "版权所有。"
+  },
+  "common": {
+    "home": "首页",
+    "shop": "商店",
+    "viewAll": "查看全部 →",
+    "backToShop": "返回商店"
+  },
+  "product": {
+    "notFound": "未找到商品",
+    "premiumCollection": "高级系列",
+    "selectSize": "选择尺寸",
+    "details": "商品详情",
+    "scent": "香气",
+    "category": "类别",
+    "relatedProducts": "相关商品",
+    "moreRelated": "更多 {{category}}",
+    "reviews": "评价",
+    "viewDetails": "查看详情 →"
+  }
+}