server_env_printing_server: add user and password fields

server_env_printing_server/models/printing_server.py

@@ -15,6 +15,8 @@ class PrintingServer(models.Model):
             {
                 "address": {},
                 "port": {},
+                "user": {},
+                "password": {},
             }
         )
         return base_fields

server_env_printing_server/readme/DESCRIPTION.rst

@@ -1,2 +1,2 @@
 This module allows the configuration of the fields
-"Address" and "Port" on Printing Server from server environment.
+"Address", "Port", "User" and "Password" on Printing Server from server environment.