HTTP endpoint returning a public key in JWK format by keyname and namespace

Example request:

GET /v1/jwk/transit/key1

Example response:

{
  "kty":"EC",
  "crv":"P-256",
  "x":"f83OJ3D2xF1Bg8vub9tLe1gHMzV76e8Tus9uPHvRVEU",
  "y":"x_FEzRu9m36HLN_tue659LNpXW6pCyStikYjKIWI5a0",
  "kid":"transit/key1"
}