Integrate Uppy Transloadit S3 Uploading To Nextjs

Comprehensive Next.js + Uppy + Transloadit integration guide with secure server-side signing and clear code examples

• +Provides complete, copy-paste-ready implementation with proper security (server-side signature generation)
• +Includes multiple real-world scenarios (template-based and inline steps, optional S3 export)
• +Well-structured with clear environment setup, installation steps, and client/server code separation
• -Declares shell execution permission but skill uses only npm/npx commands which could be explicitly noted