feat: accessibility enhancement

closes #3

data/zh-TW/index.json

@@ -10,6 +10,30 @@
     "brand": {
       "name": "STARSET Mirror"
     },
+    "site": {
+      "description": "STARSET Mirror，連結星落與你。"
+    },
+    "home": {
+      "meta": {
+        "title": "STARSET Mirror",
+        "description": "STARSET Mirror，連結星落與你。"
+      },
+      "latestUpdates": "最新動態",
+      "featuredProjects": "查看專案"
+    },
+    "aria": {
+      "mainContent": "主要內容",
+      "breadcrumb": "頁面導航",
+      "navigation": "網站導航",
+      "menu": "選單",
+      "search": "搜尋",
+      "darkMode": "深色模式",
+      "language": "語言選擇",
+      "loading": "載入中",
+      "error": "錯誤",
+      "closeMenu": "關閉選單",
+      "openMenu": "開啟選單"
+    },
     "hero": {
       "title": "連接星落與你",
       "subtitle": "",
@@ -124,6 +148,12 @@
           "icon": "Forgejo"
         }
       ]
+    },
+    "common": {
+      "loading": "載入中...",
+      "error": "發生錯誤",
+      "retry": "重試",
+      "close": "關閉"
     }
   }
 }