Merge pull request #8 from kjannette/refact3

cleanup

backend/routes/notes.routes.js

@@ -1,14 +1,9 @@
 import { Router } from 'express';
 import { readFile } from 'fs/promises';
-import { fileURLToPath } from 'url';
-import { dirname, join } from 'path';
 import { clusterNotes } from '../services/clustering.service.js';
 
 const router = Router();
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = dirname(__filename);
-const DATA_PATH = join(__dirname, '..', 'data', 'notes.json');
+const DATA_PATH = '../data/notes.json'
 
 const loadNotes = async () => {
   const raw = await readFile(DATA_PATH, 'utf-8');