docs(readme): add ARMON-64 to README

TheAlexLichter · TheAlexLichter · commit e105df7d9d5b · 2018-04-09T07:54:49.000+02:00
diff --git a/README.md b/README.md
@@ -57,6 +57,7 @@ console.log(rot('Hello world!'))
 - Multiplicative cipher
 - Affine
 - AER-256
+- ARMON-64
 
 ## Contributing
 
