Add base support for editing an existing task

app/Http/Requests/Api/Client/Servers/Schedules/StoreTaskRequest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Client\Servers\Schedules;
+
+use Pterodactyl\Models\Permission;
+use Pterodactyl\Http\Requests\Api\Client\ClientApiRequest;
+
+class StoreTaskRequest extends ClientApiRequest
+{
+    /**
+     * Determine if the user is allowed to create a new task for this schedule. We simply
+     * check if they can modify a schedule to determine if they're able to do this. There
+     * are no task specific permissions.
+     *
+     * @return string
+     */
+    public function permission()
+    {
+        return Permission::ACTION_SCHEDULE_UPDATE;
+    }
+
+    /**
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [
+            'action' => 'required|in:command,power',
+            'payload' => 'required|string',
+            'time_offset' => 'required|numeric|min:0|max:900',
+            'sequence_id' => 'sometimes|required|numeric|min:1',
+        ];
+    }
+}