Add endpoint to get all nodes meeting memory & disk requirements for a server; closes #1012

app/Http/Requests/Api/Application/Nodes/GetDeployableNodesRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Application\Nodes;
+
+class GetDeployableNodesRequest extends GetNodesRequest
+{
+    /**
+     * @return string[]
+     */
+    public function rules(): array
+    {
+        return [
+            'page' => 'integer',
+            'memory' => 'required|integer|min:0',
+            'disk' => 'required|integer|min:0',
+            'location_ids' => 'array',
+            'location_ids.*' => 'integer',
+        ];
+    }
+}