fix: fixed eslint errors

frontend/src/hooks/useLanguage.js

@@ -0,0 +1,10 @@
+import { useContext } from 'react';
+import { LanguageContext } from '../contexts/languageContextData';
+
+export const useLanguage = () => {
+  const context = useContext(LanguageContext);
+  if (!context) {
+    throw new Error('useLanguage must be used within a LanguageProvider');
+  }
+  return context;
+};