Add a username and Password field.

gui/main_window.blp

@@ -33,6 +33,15 @@ Adw.ApplicationWindow window {
                 valign: center;
                 title: "Server Information";
                 description: "The information the server published on connection";
+        }
+        Adw.PreferencesGroup credentials {
+                vexpand: true;
+                valign: center;
+                title: "Login Information";
+                description: "The credentials that will be used to log in.";
+                Adw.EntryRow{title: "Username:";}
+        Adw.PasswordEntryRow{title: "Password:";}
+
         }}
                 
             }