feat(lang): automatically set the code language based on the browser language.

Author: xiangvvd

src/components/SwitchLanguage.tsx

@@ -33,6 +33,15 @@ export const SwitchLanguage = <C extends ElementType = "button">(
     setLang(lang)
     localStorage.setItem("lang", lang)
   }
+
+  if (!localStorage.getItem("lang")) {
+    switchLang(
+      languages.find((l) => l.code === navigator.language)
+        ? navigator.language
+        : "en",
+    )
+  }
+
   return (
     <>
       <Menu>