chore(sheet-notes): add dummy notes for manual testing

Author: Wacken2012

src/stores/noteStore.ts

@@ -3,7 +3,22 @@ import type { Note } from '../types/note'
 
 export const useNoteStore = defineStore('note', {
   state: () => ({
-    notes: [] as Note[],
+    notes: [
+      {
+        id: 1,
+        sheetId: 1,
+        author: 'Dirigent',
+        content: 'Takt 42: Einsatz verzögern',
+        createdAt: new Date().toISOString(),
+      },
+      {
+        id: 2,
+        sheetId: 1,
+        author: 'Mitglied',
+        content: 'Bitte Tempo beachten',
+        createdAt: new Date().toISOString(),
+      },
+    ] as Note[],
   }),
   actions: {
     addNote(sheetId: number, content: string, author = 'Du') {