Update package.json, added dependency to nodemailer-ntlm-auth

package.json

@@ -42,6 +42,7 @@
     "mysql": "^2.17.1",
     "mysql2": "^2.2.5",
     "nodemailer": "^6.3.1",
+    "nodemailer-ntlm-auth": "^1.0.1",
     "passport": "0.3.2",
     "passport-saml": "^2.1.0",
     "pug": "^3.0.2"