add Vault Enterprise license page (#11261)
add Vault Enterprise license page (#11261)

* add Vault Enterprise license page

* move license to index.mdx

* Remove `.mdx` from the hyperlink URL

Co-authored-by: Yoko <5561a8d1ecfd1fe0978cbf17851e48406756a742@hashicorp.com>
hashicorp/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault