style: make some label into chinese

.vitepress/config.mts

@@ -50,6 +50,11 @@ export default defineConfig({
     logo: "/logo.png",
     siteTitle: "ITSTUDIO WIKI",
 
+    // Last updated
+    lastUpdated: {
+      text: "上次更新",
+    },
+
     // Enable search
     search: {
       provider: "local",
@@ -80,6 +85,9 @@ export default defineConfig({
       { text: "Github", link: "https://github.com/ITStudioOUC" },
     ],
 
+    // Sidebar
+    sidebarMenuLabel: "菜单",
+
     sidebar: {
       "/wiki": [
         {
@@ -173,6 +181,18 @@ export default defineConfig({
       next: "下一页",
     },
 
+    // Light and dark mode
+    darkModeSwitchLabel: "切换主题",
+
+    lightModeSwitchTitle: "切换到浅色主题",
+    darkModeSwitchTitle: "切换到深色主题",
+
+    // Return to top
+    returnToTopLabel: "返回顶部",
+
+    // Show external link icon in markdown links(only external)
+    externalLinkIcon: true,
+
     // Outline
     outline: {
       level: [2, 3],