- Added new environment variables for Cloudflare R2 access key, secret access key, bucket, endpoint, and URL in the .env.example file.
- Updated composer.json to include the league/flysystem-aws-s3-v3 package.
- Modified the filesystems.php configuration file to include a new 'r2' disk for Cloudflare R2 storage.
- Added `APP_STAGING` variable to `.env.example`
- Updated `config/app.php` to use `APP_STAGING` for determining the value of `IS_STAGING`
- Updated `resources/views/layouts/app.blade.php` and `resources/views/posts/show.blade.php` to include additional meta tags for SEO and attribution
