feat: add keyboard shortcut to navigate home on 'h' key press

apps/frontend/src/components/keyboard-shortcuts.tsx

@@ -7,7 +7,7 @@ export default function KeyboardShortcuts() {
   const router = useRouter();
 
   useEffect(() => {
-    function handleKeyDown(event: KeyboardEvent) {
+    function handleAddKeyDown(event: KeyboardEvent) {
       // input, textarea, contenteditable에서는 무시
       const target = event.target as HTMLElement;
       if (
@@ -23,8 +23,29 @@ export default function KeyboardShortcuts() {
       }
     }
 
-    document.addEventListener("keydown", handleKeyDown);
+    document.addEventListener("keydown", handleAddKeyDown);
-    return () => document.removeEventListener("keydown", handleKeyDown);
+    return () => document.removeEventListener("keydown", handleAddKeyDown);
+  }, [router]);
+
+  useEffect(() => {
+    function handleHomeKeyDown(event: KeyboardEvent) {
+      // input, textarea, contenteditable에서는 무시
+      const target = event.target as HTMLElement;
+      if (
+        target.tagName === "INPUT" ||
+        target.tagName === "TEXTAREA" ||
+        target.isContentEditable
+      ) {
+        return;
+      }
+
+      if (event.key === "h" || event.key === "H") {
+        router.push("/");
+      }
+    }
+
+    document.addEventListener("keydown", handleHomeKeyDown);
+    return () => document.removeEventListener("keydown", handleHomeKeyDown);
   }, [router]);
 
   return null;