public override Task StartAsync(CancellationToken cancellationToken)
{
watcher = new FileSystemWatcher(path);
watcher.Changed += OnChanged;
watcher.Created += OnChanged;
watcher.Deleted += OnDeleted;
watcher.Renamed += OnRenamed;
_fileLogger.ClearLog();
_fileLogger.Log($"{DateTimeOffset.UtcNow} | Service started.");
return(base.StartAsync(cancellationToken));
}