createAuthnRequest
suspend fun createAuthnRequest(requestOptions: OidcSiopVerifier.RequestOptions = RequestOptions()): AuthenticationRequestParameters(source)
Creates AuthenticationRequestParameters, to be encoded as query params appended to the URL of the Wallet, e.g. https://example.com?repsonse_type=... (see createAuthnRequestUrl)
Callers may serialize the result with result.encodeToParameters().formUrlEncode()