Prepare model and config for more token type validators like OIDC

[slok]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 82.75862% with 5 lines in your changes missing coverage. Please review.

Project coverage is 41.53%. Comparing base (01c48b4) to head (7fe83f9).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/app/auth/authmock/token_getter.go	50.00%	1 Missing and 2 partials ⚠️
internal/app/auth/token_validate.go	83.33%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #56      +/-   ##
==========================================
+ Coverage   41.31%   41.53%   +0.21%     
==========================================
  Files          13       13              
  Lines         547      549       +2     
==========================================
+ Hits          226      228       +2     
  Misses        299      299              
  Partials       22       22              

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