Fixes and Timestamp

[sirewix]

• Add Timestamp
• Fix some doc warnings
• Fix compilation error on some features combination (closes Fails to compile with -F schemars -F serde #43)
• Release
• Remove description from json schema from BaseUrl type and inline it

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

❌ Patch coverage is 16.66667% with 40 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.42%. Comparing base (9c875aa) to head (1086625).
⚠️ Report is 4 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/timestamp.rs	0.00%	31 Missing ⚠️
src/base_url.rs	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
- Coverage   67.89%   61.42%   -6.47%     
==========================================
  Files           6        7       +1     
  Lines         380      420      +40     
==========================================
  Hits          258      258              
- Misses        122      162      +40     

Files with missing lines	Coverage Δ
src/config.rs	61.90% <ø> (ø)
src/duration.rs	84.69% <100.00%> (ø)
src/lib.rs	64.55% <ø> (ø)
src/base_url.rs	60.60% <0.00%> (-9.57%)	⬇️
src/timestamp.rs	0.00% <0.00%> (ø)

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[RasmusRendal]

You can add "this closes #43" to the PR description! :D