Add deprecated /tmp-send-email route with welcome email functionality

- Introduce a temporary route to send deprecated responses for email testing.
- Use `sendWelcomeEmailToCustomer` from the `email` class to implement email-sending logic.

services/nginx/app/routes/exampleRoute.php

@@ -2,6 +2,7 @@
 
 namespace routes;
 
+use classes\email;
 use classes\entra;
 use classes\redis;
 use dynamicimages\images\machine_1;
@@ -55,6 +56,28 @@ class exampleRoute
             $response->success(['message' => 'Hello World!']);
         });
 
+        $this->get('/tmp-send-email', function () {
+           global $response;
+           $response->error(['message' => 'This route is deprecated.']);
+           $emailAddress = "2jepp9350@gmail.com";
+           $customer_name = "John Doe";
+            /**
+             * Tillykke med din nye kredit konto!
+             *
+             * Du kan nu vaske i alle vores afdelinger.
+             * Vedhæftet finder du en liste over vores afdelinger, som kan viderebringes til dine chauffører.
+             *
+             * Vi har oprettet en kredit konto til dig, med følgende informationer:
+             *
+             * Virksomhed: AT Kloakservice ApS
+             * Tlf: 77302200
+             * CVR: 40650717
+             */
+            $email = new email();
+            $email->sendWelcomeEmailToCustomer($customer_number = 12345679, $emailAddress);
+            $response->success(['message' => 'This route is deprecated.']);
+        });
+
         $this->get('/tmp-washes-in-time', function () {
             global $response;
             $response->error(['message' => 'This route is deprecated.']);