chore: format frontend with prettier

frontend/src/hooks/useTheme.js

@@ -2,15 +2,15 @@ import { useEffect, useState } from "react";
 import { getInitialTheme, applyTheme, toggleTheme } from "../utils/theme";
 
 export function useTheme() {
-    const [theme, setTheme] = useState(getInitialTheme);
+  const [theme, setTheme] = useState(getInitialTheme);
 
-    useEffect(() => {
-        applyTheme(theme);
-    }, [theme]);
+  useEffect(() => {
+    applyTheme(theme);
+  }, [theme]);
 
-    const handleToggle = () => {
-        setTheme((prev) => toggleTheme(prev));
-    };
+  const handleToggle = () => {
+    setTheme((prev) => toggleTheme(prev));
+  };
 
-    return { theme, toggleTheme: handleToggle };
+  return { theme, toggleTheme: handleToggle };
 }