Restructure the patches directory to group patch files under subdirectories
named by their corresponding Nginx version (e.g., patches/nginx/1.27.1/).
This improves readability, maintainability, and scalability of the patch
management system, making it easier to locate and manage version-specific
patches.
- Created subdirectories for each Nginx version.
- Moved existing patch files into their respective version directories.
- Ensured no changes to patch file contents or functionality.
This change enhances the project's organization without affecting runtime behavior.
