Standardizing Python project setup using uv

[mauvais2]

Adopting uv for Python dependency and virtual environment management

• Define pyproject.toml to support different platforms
• Update the CI pipeline build to use the toml's CPU build
• Update the affected source, test code
• Update related documents on how to use uv to set up different environments
• Define the install, envs for different platforms
  • cpu
  • cuda
  • rocm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@            Coverage Diff             @@
##            1.8.0     #429      +/-   ##
==========================================
- Coverage   51.38%   51.37%   -0.02%     
==========================================
  Files          36       36              
  Lines       10690    10687       -3     
==========================================
- Hits         5493     5490       -3     
  Misses       5197     5197              

Flag	Coverage Δ
unittests	51.37% <100.00%> (-0.02%)	⬇️

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Files with missing lines	Coverage Δ
atomsci/ddm/__init__.py	100.00% <ø> (ø)
atomsci/ddm/pipeline/model_wrapper.py	66.14% <100.00%> (-0.15%)	⬇️
atomsci/ddm/pipeline/parameter_parser.py	91.32% <100.00%> (+0.01%)	⬆️

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