Send mails on account creation

back/package.json

@@ -21,6 +21,7 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
+    "@nestjs-modules/mailer": "^1.9.1",
     "@nestjs/common": "^10.1.0",
     "@nestjs/config": "^3.0.0",
     "@nestjs/core": "^10.1.0",
@@ -37,6 +38,7 @@
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "node-fetch": "^2.6.12",
+    "nodemailer": "^6.9.5",
     "passport-google-oauth20": "^2.0.0",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
@@ -53,6 +55,7 @@
     "@types/jest": "29.5.3",
     "@types/multer": "^1.4.7",
     "@types/node": "^20.4.4",
+    "@types/nodemailer": "^6.4.9",
     "@types/passport-google-oauth20": "^2.0.11",
     "@types/supertest": "^2.0.12",
     "@typescript-eslint/eslint-plugin": "^6.1.0",