boa_temporal structure changes and docs update

[nekevss]

This PR is primarily a proposal to change the structure of boa_temporal that ideally streamlines and organizes the crate a bit better than current.

It changes the following:

• Moves the native Temporal objects into the components module and inline most of the native Temporal objects (excluding the time zone and calendar modules).
• Builds out the docs a bit more or adds some clarity to the current docs

Let me know what you think or any thoughts! 😄

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	95,609	95,609	0
Passed	76,526	76,526	0
Ignored	18,132	18,132	0
Failed	951	951	0
Panics	0	0	0
Conformance	80.04%	80.04%	0.00%

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (d275557) 46.97% compared to head (789460e) 46.97%.

Files	Patch %	Lines
...oa_engine/src/builtins/temporal/calendar/object.rs	0.00%	2 Missing ⚠️
boa_temporal/src/components/zoneddatetime.rs	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3504      +/-   ##
==========================================
- Coverage   46.97%   46.97%   -0.01%     
==========================================
  Files         496      496              
  Lines       50281    50279       -2     
==========================================
- Hits        23620    23618       -2     
  Misses      26661    26661              

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[HalidOdat]

Nice change! Looks good to me! :)