feat: add support for passwordless

[harsh62]

Issue #, if available:

Description of changes:

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[codecov]

Codecov Report

❌ Patch coverage is 87.00696% with 56 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.01%. Comparing base (839cd90) to head (62dd329).

Files with missing lines	Patch %	Lines
Sources/Authenticator/Models/Internal/Step.swift	0.00%	14 Missing ⚠️
.../Authenticator/States/AuthenticatorBaseState.swift	87.38%	14 Missing ⚠️
...enticator/States/SignInSelectAuthFactorState.swift	88.46%	9 Missing ⚠️
...henticator/States/PromptToCreatePasskeyState.swift	81.81%	8 Missing ⚠️
...ces/Authenticator/States/PasskeyCreatedState.swift	81.81%	6 Missing ⚠️
...henticator/States/SignInConfirmPasswordState.swift	89.28%	3 Missing ⚠️
Sources/Authenticator/Models/AuthFactor.swift	95.34%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #110      +/-   ##
==========================================
+ Coverage   44.39%   51.01%   +6.61%     
==========================================
  Files          44       50       +6     
  Lines        2462     2366      -96     
==========================================
+ Hits         1093     1207     +114     
+ Misses       1369     1159     -210     

Flag	Coverage Δ
Authenticator	51.01% <87.00%> (+6.61%)	⬆️

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