Added right-to-left layout exporting capability

[michelebastione]

Closes #340 by adding the parameter RightToLeft to OpenXmlConfiguration that enables exported worksheets to be read in a right-to-left layout by Excel.

[gemini-code-assist]

Summary of Changes

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This pull request enhances the Excel export functionality by adding support for right-to-left worksheet layouts. A new configuration option allows users to specify if the exported sheet should be displayed from right to left, which is crucial for languages that read in that direction. This change ensures that the generated OpenXML correctly reflects the desired text directionality in Excel.

Highlights

• Right-to-Left Layout Export: Introduced a new RighToLeft boolean property in OpenXmlConfiguration to control the right-to-left layout for exported Excel worksheets.
• XML Generation Update: Modified the StartSheetView method in WorksheetXml to accept a rightToLeft parameter, which is then used to generate the corresponding XML attribute.
• Configuration Integration: Integrated the new RighToLeft configuration property into the GetSheetViews method within OpenXmlWriter.DefaultOpenXml to apply the right-to-left setting during worksheet generation.

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Changelog

• src/MiniExcel.OpenXml/Constants/WorksheetXml.cs
  • Modified StartSheetView method to accept a rightToLeft boolean parameter.
• src/MiniExcel.OpenXml/OpenXmlConfiguration.cs
  • Added RighToLeft boolean property with a default value of false.
• src/MiniExcel.OpenXml/OpenXmlWriter.DefaultOpenXml.cs
  • Updated GetSheetViews method to utilize the new RighToLeft configuration property when generating the sheet view XML.
  • Adjusted the early exit condition in GetSheetViews to also consider the RighToLeft property.

Activity

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[gemini-code-assist]

Code Review

This pull request adds a new capability to export worksheets with a right-to-left layout, which is a valuable addition. The implementation is straightforward, adding a new configuration property and using it to generate the appropriate OpenXML attribute. However, I found a critical typo in the name of the new public property RighToLeft which should be corrected to RightToLeft. Additionally, no tests have been added to verify this new functionality. Please add unit or integration tests to ensure the feature works as expected and to prevent future regressions.