fix: use html lang

nuxt.config.ts

@@ -2,6 +2,31 @@ import { defineNuxtConfig } from "nuxt/config";
 import svgLoader from "vite-svg-loader";
 // https://v3.nuxtjs.org/api/configuration/nuxt.config
 export default defineNuxtConfig({
+  app: {
+    head: {
+      htmlAttrs: {
+        lang: "en",
+      },
+      meta: [
+        { name: "viewport", content: " width=device-width,initial-scale=1" },
+      ],
+      link: [
+        { rel: "icon", type: "image/x-icon", href: "/favicon.ico" },
+        {
+          rel: "stylesheet",
+          href: "https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css",
+        },
+      ],
+      script: [
+        {
+          defer: true,
+          src: "/script.js",
+          hid: "stupidEmergencyScript",
+          type: "module",
+        },
+      ],
+    },
+  },
   modules: [
     "@nuxt/content",
     "@nuxtjs/tailwindcss",
@@ -28,26 +53,6 @@ export default defineNuxtConfig({
   vite: {
     plugins: [svgLoader()],
   },
-  head: {
-    meta: [
-      { name: "viewport", content: " width=device-width,initial-scale=1" },
-    ],
-    link: [
-      { rel: "icon", type: "image/x-icon", href: "/favicon.ico" },
-      {
-        rel: "stylesheet",
-        href: "https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css",
-      },
-    ],
-    script: [
-      {
-        defer: true,
-        src: "/script.js",
-        hid: "stupidEmergencyScript",
-        type: "module",
-      },
-    ],
-  },
   content: {
     documentDriven: false,
     highlight: {