* Vault HA guide draft
* Fixed node_id to say node_name based on Brian's input
* Fixed the unwanted hyperlink
* Vault HA guide
* Updated the description of the Vault HA guide
* Typo fixes
* Added a reference to Vault HA with Consule guide
* Incorporated Teddy's feedback
* Fixed an env var name
* Vault configuration has been updated: 'api_addr'
