Ajouts de dépendances et du .env.example

package-lock.json

@@ -7,7 +7,10 @@
       "name": "gestion-inscriptions-mycompet-root",
       "workspaces": [
         "packages/*"
-      ]
+      ],
+      "dependencies": {
+        "@nestjs/mapped-types": "*"
+      }
     },
     "node_modules/@angular-devkit/core": {
       "version": "19.2.23",
@@ -2773,6 +2776,26 @@
         }
       }
     },
+    "node_modules/@nestjs/mapped-types": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@nestjs/mapped-types/-/mapped-types-2.1.1.tgz",
+      "integrity": "sha512-SCCoMEJ6jdeI5h/N+KCVF1+pmg/hmEkNA5nHTS8Gvww7T/LCl4o1gFLinw2iQ60w7slFkszHcGLKGdazVI4F8A==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0 || ^11.0.0",
+        "class-transformer": "^0.4.0 || ^0.5.0",
+        "class-validator": "^0.13.0 || ^0.14.0 || ^0.15.0",
+        "reflect-metadata": "^0.1.12 || ^0.2.0"
+      },
+      "peerDependenciesMeta": {
+        "class-transformer": {
+          "optional": true
+        },
+        "class-validator": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@nestjs/platform-express": {
       "version": "11.1.18",
       "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-11.1.18.tgz",