update license year

LICENSE

@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright 2020 Luke Pighetti
+Copyright 2021 Luke Pighetti
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

lib/fluro.dart

@@ -3,7 +3,7 @@
  * Created by Yakka
  * https://theyakka.com
  * 
- * Copyright (c) 2020 Luke Pighetti. All rights reserved.
+ * Copyright (c) 2021 Luke Pighetti. All rights reserved.
  * See LICENSE for distribution and usage details.
  */
 library fluro;