Add comprehensive spell checking CI

[ChrisRackauckas]

Summary\n\nThis PR improves code quality by fixing typos and setting up comprehensive automated spell checking.\n\n## Changes\n\n### Typos Configuration\n- Added configuration file\n- Allows legitimate Julia/scientific terms (e.g., , , )\n- Excludes binary files and build artifacts\n- Prevents false positives for domain-specific terminology\n\n### CI Integration\n- Added for PR spell checking\n- Follows SciML standard (matches ModelingToolkit.jl)\n- Automatically prevents typos in future contributions\n\n## Benefits\n\n- ✅ Improved documentation and code readability\n- ✅ Automated typos prevention in future contributions\n- ✅ No false positives for technical terminology\n- ✅ Consistent spell checking across SciML ecosystem\n- ✅ Follows established SciML patterns (ModelingToolkit.jl)\n\n🤖 Generated automatically by enhanced typos-cli analysis with comprehensive CI integration