v4.0.0

Added

• Enhance SEO Manager with strict typing, new SettingsRequest, and improved file handling.
• Add InjectSeoTags middleware and remove SeoTags Livewire component.
• docs: Update SEO Manager documentation with installation details and features.
• docs: Restructure documentation.

Changed

• docs: Clarify SEO and Open Graph field editing instructions in index.md.
• docs: Enhance SEO Manager description and update features list in README.md.
• docs: Update extension name from "Special Days" to "SEO Manager" in README.md.
• Improve back button behavior to reduce code duplication and apply minor UI adjustments.
• Refactor code to use parameter and return type hints.
• Adjust permission group names.
• Regroup permissions.

Fixed

• tests: Fix binding of widget to controller in SeoManagerTest class.