added dependecies to later create the jwt token.

Those I have installed with npm, to be more specific with: npm install express cookie-parser body-parser jose

backend/package-lock.json

@@ -9,10 +9,13 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "body-parser": "^2.2.0",
+        "cookie-parser": "^1.4.7",
         "cors": "^2.8.5",
         "dotenv": "^17.2.0",
         "ejs": "^3.1.10",
         "express": "^5.1.0",
+        "jose": "^6.0.12",
         "mysql2": "^3.14.2"
       }
     },
@@ -203,6 +206,25 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/cookie-parser": {
+      "version": "1.4.7",
+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.7.tgz",
+      "integrity": "sha512-nGUvgXnotP3BsjiLX2ypbQnWoGUPIIfHQNZkkC668ntrzGWEZVW70HDEB1qnNGMicPje6EttlIgzo51YSwNQGw==",
+      "license": "MIT",
+      "dependencies": {
+        "cookie": "0.7.2",
+        "cookie-signature": "1.0.6"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/cookie-parser/node_modules/cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==",
+      "license": "MIT"
+    },
     "node_modules/cookie-signature": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz",
@@ -650,6 +672,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/jose": {
+      "version": "6.0.12",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.0.12.tgz",
+      "integrity": "sha512-T8xypXs8CpmiIi78k0E+Lk7T2zlK4zDyg+o1CZ4AkOHgDg98ogdP2BeZ61lTFKFyoEwJ9RgAgN+SdM3iPgNonQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/long": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/long/-/long-5.3.2.tgz",