Add base code to support retrieving allocations as a client

app/Http/Controllers/Api/Client/Servers/NetworkController.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Api\Client\Servers;
+
+use Pterodactyl\Models\Server;
+use Pterodactyl\Transformers\Api\Client\AllocationTransformer;
+use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
+use Pterodactyl\Contracts\Repository\AllocationRepositoryInterface;
+use Pterodactyl\Http\Requests\Api\Client\Servers\Network\GetNetworkRequest;
+
+class NetworkController extends ClientApiController
+{
+    /**
+     * @var \Pterodactyl\Contracts\Repository\AllocationRepositoryInterface
+     */
+    private $repository;
+
+    /**
+     * NetworkController constructor.
+     *
+     * @param \Pterodactyl\Contracts\Repository\AllocationRepositoryInterface $repository
+     */
+    public function __construct(AllocationRepositoryInterface $repository)
+    {
+        parent::__construct();
+
+        $this->repository = $repository;
+    }
+
+    /**
+     * Lists all of the allocations available to a server and wether or
+     * not they are currently assigned as the primary for this server.
+     *
+     * @param \Pterodactyl\Http\Requests\Api\Client\Servers\Network\GetNetworkRequest $request
+     * @return array
+     */
+    public function index(GetNetworkRequest $request): array
+    {
+        $server = $request->getModel(Server::class);
+
+        $allocations = $this->repository->findWhere([
+            ['server_id', '=', $server->id],
+        ]);
+
+        return $this->fractal->collection($allocations)
+            ->transformWith($this->getTransformer(AllocationTransformer::class))
+            ->toArray();
+    }
+}