Key Vault: Support ACME protocol (Let's Encrypt)
Key Vault currently supports automated management of PKI (TLS) certs via "approved" CAs. Please add support for the ACME protocol so that Key Vault can manage certs issued by Let's Encrypt. And/or an Azure-based ACME-compliant Microsoft CA.
In other words: The days of having to pay for certs. are over. Please support free certs.