* feat: first proto definition of passkeys endpoints
* improve passkeys requests
* fix: some renaming of passkey endpoint attributes
* change to post methods
* improve passkeys requests
* add code id and make codes optional
* fix: some documentation for passkeys endpoints
* drop code from VerifyPasskeyRegistrationRequest
not needed, as disccussed
* put code_id and code in a nested object
* add passkey_id to RegisterPasskeyResponse
* improve description
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Co-authored-by: Livio Spring <livio.a@gmail.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>