add login and register view methods

app/View/ViewController.php

@@ -37,4 +37,24 @@ class ViewController
 
         return $response;
     }
+
+    public function login(Response $response): Response
+    {
+        $html = file_get_contents(
+            __DIR__ . '/../../views/templates/login.php'
+        );
+        $response->getBody()->write($html);
+
+        return $response;
+    }
+
+    public function register(Response $response): Response
+    {
+        $html = file_get_contents(
+            __DIR__ . '/../../views/templates/register.php'
+        );
+        $response->getBody()->write($html);
+
+        return $response;
+    }
 }