dir_spec 0.5.2

A cross-platform Rust library for resolving XDG and platform-specific directories with proper fallbacks.
Documentation
## Summary

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## Type of Change

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- [ ] ๐Ÿ› Bug fix (non-breaking change that fixes an issue)
- [ ] โœจ New feature (non-breaking change that adds functionality)
- [ ] ๐Ÿ’ฅ Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] ๐Ÿ“š Documentation update
- [ ] ๐Ÿงน Code cleanup or refactoring
- [ ] ๐Ÿ”ง Build system or dependency changes
- [ ] ๐Ÿงช Test improvements

## What Changed?

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## Why?

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## How Has This Been Tested?

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- [ ] Existing tests pass (`mise test`)
- [ ] New tests added for new functionality
- [ ] Manual testing performed
- [ ] Code follows style guidelines (`mise lint`)

## Screenshots/Demo

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## Related Issues

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## Additional Notes

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