Added explanation on adding internal-ip info

Author: yokawasa

CHANGELOG.md

@@ -5,6 +5,7 @@ All notable changes to the "kubectl-plugin-ssh-jump" extension will be documente
 ## 0.3.2
 
 - Changed a validation for destination name to support valid characters of hostname for SSH destination node that can start from ASCII letters 'a' through 'z' (in a case-insensitive manner), the digits '0' through '9', or the hyphen ('-'). Ref [RFC952](https://tools.ietf.org/html/rfc952) for valid characters of hostname.
+- Add Internal-IP info, not only hostname for node info in running get-node-list
 
 ## 0.3.1