Feat: Add huma framework

[erinoggz]

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

Problem/Feature

go-blueprint currently supports Chi, Gin, Fiber, Gorilla/Mux, HttpRouter, Echo, and the standard library, but has no option for Huma, a REST API framework that adds typed request/response handling, built-in validation, and auto-generated OpenAPI 3.1 documentation on top of an existing router. This PR adds Huma as a new framework huma option, built on Chi via Huma's official humachi adapter.

Description of Changes:

• Added Huma as a new flags.Framework value and registered it in AllowedProjectTypes
• Added "Huma" to the interactive framework selection step
• Added HumaTemplates, wired into the project's FrameworkMap with its Go module dependencies (huma/v2, huma/v2/adapters/humachi, go-chi/chi/v5)
• Added a routes.go template that stands up a Chi router wrapped by humachi, registering / (Hello World) and /health (when a DB driver is selected) via huma.Register, and reuses Chi's existing htmx/websocket route wiring
• Added a dedicated test template that exercises RegisterRoutes() over real HTTP and checks the JSON response
• Updated the README's "Frameworks Supported" list

Checklist

• I have self-reviewed the changes being requested
• I have updated the documentation (check issue ticket 📋Update documentation if the PR introduces a new feature!📋 #218)