update readme version

Author: sstarcher

README.md

@@ -11,7 +11,7 @@ This allows you to run a single command and package the next version of your cha
 
 You can install a specific release version:
 
-    $ helm plugin install https://github.com/sstarcher/helm-release --version 0.2.0
+    $ helm plugin install https://github.com/sstarcher/helm-release --version 0.2.1
 
 ## Usage