[Feature] Consolidate metadata and reports into one

[gsheni]

• Resolve Consolidate single and multi-table reports into one #874
• Resolve Consolidate single and multi-table metadata into one #873

[codecov]

Codecov Report

❌ Patch coverage is 82.14286% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 95.50%. Comparing base (59a03db) to head (4f635c4).

Files with missing lines	Patch %	Lines
sdmetrics/reports/__init__.py	18.75%	13 Missing ⚠️
sdmetrics/reports/multi_table/__init__.py	87.50%	1 Missing ⚠️
sdmetrics/reports/single_table/__init__.py	87.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #879      +/-   ##
==========================================
- Coverage   95.74%   95.50%   -0.24%     
==========================================
  Files         117      120       +3     
  Lines        4955     5027      +72     
==========================================
+ Hits         4744     4801      +57     
- Misses        211      226      +15     

Flag	Coverage Δ
integration	81.08% <76.19%> (-0.13%)	⬇️
unit	84.36% <80.95%> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.