feat: Implement Display for JsonType

[Kriskras99]

What type of PR is this?

feat: A new feature

More detailed description for this PR.

en: This makes it easier to write an error message where a field/item has the wrong type.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.09%. Comparing base (03545a9) to head (8df6594).

Files with missing lines	Patch %	Lines
src/value/value_trait.rs	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #242      +/-   ##
==========================================
- Coverage   71.16%   71.09%   -0.07%     
==========================================
  Files          42       42              
  Lines        9762     9771       +9     
==========================================
  Hits         6947     6947              
- Misses       2815     2824       +9     

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[Kriskras99]

Formatting errors are not from this PR. I can format them in this PR or provide a separate PR to fix the issues on main.