Include resource total allocations; closes pterodactyl#1518

Author: DaneEveritt

app/Transformers/Api/Application/NodeTransformer.php

@@ -44,6 +44,13 @@ public function transform(Node $node): array
         $response[$node->getUpdatedAtColumn()] = $this->formatTimestamp($node->updated_at);
         $response[$node->getCreatedAtColumn()] = $this->formatTimestamp($node->created_at);
 
+        $resources = $node->servers()->select(['memory', 'disk'])->get();
+
+        $response['allocated_resources'] = [
+            'memory' => $resources->sum('memory'),
+            'disk' => $resources->sum('disk'),
+        ];
+
         return $response;
     }