[MNT] Update .gitignore

[satvshr]

• Reference Issue: fixes [MNT] Update .gitignore to include pre-commit and cursor files #1546
• New Tests Added: No
• Documentation Updated: No

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What does this PR implement/fix? Explain your changes.

• Added Ruff’s local cache directory .ruff_cache to .gitignore.
• Added .cursorignore and .cursorindexingignore to .gitignore to match the latest official GitHub Python .gitignore template

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.23%. Comparing base (3380bbb) to head (0808aa4).
⚠️ Report is 154 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1547       +/-   ##
===========================================
- Coverage   85.24%   64.23%   -21.01%     
===========================================
  Files          38       36        -2     
  Lines        5008     4351      -657     
===========================================
- Hits         4269     2795     -1474     
- Misses        739     1556      +817     

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