`helm get {{ .Release.Name }}` is replaced by `vault get all {{ .Release.Name }}` in helm v3, but `all` doesn't exist in v2.
* Refactor chart for 1.0, add tests, update TF * Fix typo in helper comment * Add NOTES for post install instructions * Fix typo in NOTES * Fix replication port for enterprise * Change updateStrategy to OnDelete * Add icon * Remove cluster address from config * Update README, add contributing doc * Update README * Change HA replicas to 3