Add server build management to API

app/Http/Requests/Api/Application/Servers/UpdateServerBuildConfigurationRequest.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Application\Servers;
+
+use Pterodactyl\Models\Server;
+
+class UpdateServerBuildConfigurationRequest extends ServerWriteRequest
+{
+    /**
+     * Return the rules to validate this request aganist.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        $rules = Server::getUpdateRulesForId($this->route()->parameter('server')->id);
+
+        return [
+            'allocation' => $rules['allocation_id'],
+            'memory' => $rules['memory'],
+            'swap' => $rules['swap'],
+            'io' => $rules['io'],
+            'cpu' => $rules['cpu'],
+            'disk' => $rules['disk'],
+            'add_allocations' => 'bail|array',
+            'add_allocations.*' => 'integer',
+            'remove_allocations' => 'bail|array',
+            'remove_allocations.*' => 'integer',
+        ];
+    }
+
+    /**
+     * Convert the allocation field into the expected format for the service handler.
+     *
+     * @return array
+     */
+    public function validated()
+    {
+        $data = parent::validated();
+
+        $data['allocation_id'] = $data['allocation'];
+        unset($data['allocation']);
+
+        return $data;
+    }
+
+    /**
+     * Custom attributes to use in error message responses.
+     *
+     * @return array
+     */
+    public function attributes()
+    {
+        return [
+            'add_allocations' => 'allocations to add',
+            'remove_allocations' => 'allocations to remove',
+            'add_allocations.*' => 'allocation to add',
+            'remove_allocations.*' => 'allocation to remove',
+        ];
+    }
+}