refactors .well-known/ts.jwks.json -> .well-known/trusted-server.json

[ChristianPavilonis]

closes #105

new format for .well-known/trusted-server.json

{
  "version": "1.0",
  "jwks": {
    "keys": [
      {
        "crv": "Ed25519",
        "kid": "ts-2025-10-A",
        "kty": "OKP",
        "use": "sig",
        "x": "UVTi04QLrIuB7jXpVfHjUTVN5aIdcbPNr50umTtN8pw"
      },
      {
        "crv": "Ed25519",
        "kid": "ts-2025-10-B",
        "kty": "OKP",
        "use": "sig",
        "x": "HVTi04QLrIuB7jXpVfHjUTVN5aIdcbPNr50umTtN8pw"
      }
    ]
  }
}