Merge pull request #273 from garth-xmr/patch-2

Readme: update copyright date

Author: aeonix

README.md

@@ -14,7 +14,7 @@
 [![GitHub issues](https://img.shields.io/github/issues/aeonix/aeon.svg)](../../issues)
 [![GitHub closed issues](https://img.shields.io/github/issues-closed/aeonix/aeon.svg)](../../issues)
 
-Copyright (c) 2014-2019, AEON, The Monero Project.   
+Copyright (c) 2014-2022, AEON, The Monero Project.   
 Portions Copyright (c) 2012-2013 The Cryptonote developers.
 
 ## Development resources