- Implement index action to list sitemaps
- Create view for displaying sitemaps with details
- Add helper method for generating sitemap URLs
- Enhance error handling for S3 service errors
This commit introduces a new feature for managing sitemaps in the application. It includes an index view that lists all available sitemaps with their last modified date and size, along with a link to view each sitemap. The error handling for S3 interactions has also been improved to log errors and return appropriate responses.