docs: port documentation to Markdown with Zensical theme

[davidberenstein1957]

Summary

Port CodeCarbon documentation from reStructuredText (.rst) to Markdown (.md) with Zensical theme.

Changes

• Convert all RST docs to Markdown format
• Add configuration
• Use CodeCarbon teal branding (matching logo)
• Fix index.md formatting
• Add proper headers and structure matching original RST

Branding

• Primary color: teal (CodeCarbon's brand color)
• Accent color: teal
• Dark/light mode support enabled

Files Changed

• docs/*.md (19 files)
• docs/zensical.yml (new)
• zensical.toml (new)

Verification

Build docs with: uv run task docs

[inimaz]

Thanks for this @davidberenstein1957 ! Maybe update as well the pyproject.toml with the new deps? If I run uv run task docs it still builds the sphinx documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.14%. Comparing base (b370a5a) to head (30c16a3).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1073   +/-   ##
=======================================
  Coverage   78.14%   78.14%           
=======================================
  Files          38       38           
  Lines        3637     3637           
=======================================
  Hits         2842     2842           
  Misses        795      795           

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[davidberenstein1957]

@inimaz @claude @SabAmine @benoit-cty do you guys have some time to take a look? I did not change much content wise(this will happen in another pr), but mostly ported things to Zensical and make it 2026 ready :)