vault operational config

Package Merge Request

Package Changes

• Operational config and documentation for Vault
• Added vault-tls secret template to Vault Package for improved integration with BigBang

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/sandbox/vault/-/merge_requests/41

For Issue

closes https://repo1.dso.mil/platform-one/big-bang/apps/sandbox/vault/-/issues/15