feat(notes): require a title to create a note

src/hooks/useNotes.ts

@@ -9,8 +9,8 @@ export function useNotes() {
     saveNotes(notes)
   }, [notes])
 
-  const addNote = useCallback(() => {
-    const note: Note = { id: Date.now(), title: '', content: '' }
+  const addNote = useCallback((title = '', content = '') => {
+    const note: Note = { id: Date.now(), title, content }
     setNotes((current) => [...current, note])
     return note
   }, [])