Merge pull request #555 from Luca-Timo/feat/crm-pr

feat: CRM module — quotes, contracts, invoices, hours, calendar, tax

backend/package.json

@@ -44,13 +44,17 @@
     "multer": "^2.0.2",
     "node-cron": "^3.0.2",
     "nodemailer": "^8.0.5",
+    "pdf-lib": "^1.17.1",
+    "pdfkit": "^0.17.2",
     "pg": "^8.16.3",
+    "qrcode": "^1.5.4",
     "react-i18next": "^15.6.0",
     "sanitize-html": "^2.17.0",
     "sharp": "0.34.3",
     "sqlite3": "^5.1.6",
     "swagger-jsdoc": "^6.2.8",
     "swagger-ui-express": "^5.0.1",
+    "swissqrbill": "^4.3.0",
     "uuid": "^11.1.1",
     "winston": "^3.8.2",
     "zxcvbn": "^4.4.2"