Add secured command

cli/valet.php

@@ -210,6 +210,17 @@
         info('The ['.$url.'] site will now serve traffic over HTTP.');
     })->descriptions('Stop serving the given domain over HTTPS and remove the trusted TLS certificate');
 
+    /**
+     * Get all the current secured sites
+     */
+    $app->command('secured', function () {
+        $sites = collect(Site::secured())->map(function ($url) {
+            return ['Site' => $url];
+        });
+
+        table(['Site'], $sites->all());
+    });
+
     /**
      * Create an Nginx proxy config for the specified domain.
      */