feat: add create-prisma next support

[AmanVarshney01]

Summary

• Adds the Prisma Next create flow using prisma-next@latest init --no-install as the source of truth for Prisma Next files and starter contracts.
• Supports PostgreSQL and MongoDB across minimal, hono, elysia, nest, next, svelte, astro, nuxt, and tanstack-start.
• Makes minimal the default template and adds per-template descriptions in the interactive picker.
• Supports PSL and TypeScript contract authoring, with PostgreSQL defaulting to Prisma Postgres in interactive mode and --yes staying non-provisioning.
• Keeps db:init, migrations, and seed manual only. No generated path auto-runs database setup under prompts or --yes.
• Resolves Prisma Next packages from latest at scaffold time instead of hard-pinning framework versions in create-prisma.
• Installs Prisma Next packages, provider runtime packages, generated contract/type packages, and the Vite contract emit plugin where relevant.
• Removes create-prisma ownership of Prisma Next skills sync: no @prisma-next/agent-skill, no skills dependency, no skills:sync script, and no experimental_sync invocation.
• Adds MongoDB Docker Compose helpers for default local MongoDB projects.
• Removes the turborepo template from the Prisma Next create path.
• Simplifies the Clack completion output and adds an agent prompt pointing users to prisma-next.md and the upstream Prisma Next skills/ directory.
• Adds Prisma Next-specific telemetry event names, scoped to create-prisma@next releases.

Validation

• bun run format:check
• bun run typecheck
• bun run lint
• bun run build
• bun run test:unit
• bun run test:e2e
• Full Minimal Postgres flow: install, emit, db:init, db:verify, migration plan/apply, seed, and query script.
• Full Minimal MongoDB flow: install, emit, migration plan/apply, seed, and query script.
• Existing e2e covers Hono Postgres and Hono MongoDB through migrations, seed, generated queries, and build.
• Package-manager smoke for bun, npm, pnpm, and deno verifies generated Minimal projects do not include skills, @prisma-next/agent-skill, or skills:sync.

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@next preview published

• Version: 0.4.2-next.37.106.1
• Tag: next
• Trigger: PR has the release:next label, so this is available as create-prisma@next
• Run with Bun: bunx create-prisma@next
• Run with npm: npx create-prisma@next
• Run with Yarn: yarn dlx create-prisma@next
• Run with pnpm: pnpm dlx create-prisma@next
• Run with Deno: deno run -A npm:create-prisma@next
• Workflow run: https://github.com/prisma/create-prisma/actions/runs/26623181499