Changes APP_URL to be replaced with name to lower (#239)

Although domain names are case-insensitive, browsers rewrite domains to all lowercase.
This PR aims to match this behaviour.

Author: RhysLees

src/NewCommand.php

@@ -108,7 +108,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             if ($name !== '.') {
                 $this->replaceInFile(
                     'APP_URL=http://localhost',
-                    'APP_URL=http://'.$name.'.test',
+                    'APP_URL=http://'.strtolower($name).'.test',
                     $directory.'/.env'
                 );