improvement: moved all console logs to pino

backend/package.json

@@ -16,6 +16,7 @@
   "license": "MIT",
   "dependencies": {
     "@sentry/node": "5.27.0",
+    "@types/pino": "^6.3.4",
     "bcryptjs": "^2.4.3",
     "cookie-parser": "^1.4.5",
     "cors": "^2.8.5",
@@ -28,6 +29,8 @@
     "multer": "^1.4.2",
     "mysql2": "^2.2.5",
     "pg": "^8.4.1",
+    "pino": "^6.9.0",
+    "pino-pretty": "^4.3.0",
     "qrcode-terminal": "^0.12.0",
     "reflect-metadata": "^0.1.13",
     "sequelize": "^5.22.3",