Add Advanced Export plugin

[anselmocossa]

New Plugin Submission

This PR adds the Advanced Export plugin to the Filament plugins directory.

Plugin Details

• Name: Advanced Export
• Author: Anselmo Kossa
• Categories: table-builder, admin-panel
• Filament Version: 4.x

Features

• Dynamic column selection for exports
• Custom column titles in exported files
• Configurable ordering (ascending/descending)
• Filter support (respects active Filament table filters)
• Background processing for large exports via Laravel Queue
• View-based templates for export formatting
• Bilingual support (English and Portuguese)
• Artisan commands for easy setup

Links

• GitHub: https://github.com/anselmocossa/filamentphp-advanced-export
• Packagist: https://packagist.org/packages/filamentphp/advanced-export

Notes

• Author profile created: content/authors/anselmo-kossa.md
• Plugin file created: content/plugins/anselmo-kossa-advanced-export.md
• Avatar and plugin images will need to be uploaded separately (1000x1000 JPEG for avatar, 2560x1440 JPEG for plugin screenshot)