Getting started with Val Town and Replicate

Ported from https://github.com/replicate/getting-started-cloudflare-workers

This is a template for a simple web app using Hono, and Replicate to generate images using Flux Schnell, a fast and high-quality open-source image generation model.

• Hono is a minimalist web framework for building serverless applications. It's built and maintained by Cloudflare.
• Replicate is a platform for building and running machine learning models.
• Flux Schnell is a fast and high-quality open-source image generation model, made by the original creators of Stable Diffusion.