Plan for `vault-api`

Version 1.0

v1.0.0 - Base module with support for KVv1 and KVv2 secret engines.
v1.1.0 - Add support for Transit secret engine.
v1.2.0 - Add support for TOTP secret engine.
v1.3.0 - Add support for SSH secret engine.
v1.4.0 - Add support for PKI secret engine.
v1.5.0 - Add support for auth method userpass, ldap.
v1.6.0 - Add support for some sys paths (like seal/unseal).
v1.7.0 - ...