feat: enhance remote claim builder: introduce Path Value options

[denopink]

• enables the use of rest/crud remote claim builders that rely on url path values
• update tests
• update config example

[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.35%. Comparing base (c787c1a) to head (44582d4).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
token/transport.go	77.50%	6 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #339      +/-   ##
==========================================
+ Coverage   50.74%   51.35%   +0.61%     
==========================================
  Files          55       55              
  Lines        2020     2064      +44     
==========================================
+ Hits         1025     1060      +35     
- Misses        963      969       +6     
- Partials       32       35       +3     

Flag	Coverage Δ
unittests	51.35% <83.33%> (+0.61%)	⬆️

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[johnabass]

this is a good idea. we should probably create a full swagger for themis

[denopink]

this is a good idea. we should probably create a full swagger for themis

John means the internal remote claims server we're implementing and not themis