Generate a JSON schema for Wrangler

[penalosa]

What this PR solves / how to test

This PR generates a JSON schema for Wrangler, as well as updating C3 templates to add a schema property to generated config file. Once merged and released, we should follow up by merging SchemaStore/schemastore#3692.

Fixes #5057, fixes #5055, fixes #3166, DEVX-1242

Author has addressed the following

• Tests
  • TODO (before merge)
  • Included
  • Not necessary because: This should be manually tested against wrangler.toml/wrangler.json files
• Changeset (Changeset guidelines)
  • TODO (before merge)
  • Included
  • Not necessary because:
• Public documentation
  • TODO: pending release and merging of Modify Wrangler CLI source SchemaStore/schemastore#3692
  • Cloudflare docs PR(s): https://github.com/cloudflare/cloudflare-docs/pull/...
  • Not necessary because:

[changeset-bot]

🦋 Changeset detected

Latest commit: bd1ef9d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
create-cloudflare	Minor
wrangler	Minor
@cloudflare/vitest-pool-workers	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-wrangler-5550

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/5550/npm-package-wrangler-5550

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-wrangler-5550 dev path/to/script.js

Additional artifacts:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-create-cloudflare-5550 --no-auto-update

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-cloudflare-kv-asset-handler-5550

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-miniflare-5550

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-cloudflare-pages-shared-5550

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8617732955/npm-package-cloudflare-vitest-pool-workers-5550

Note that these links will no longer work once the GitHub Actions artifact expires.

---

wrangler@3.48.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20240404.0
workerd	1.20240404.0	1.20240404.0
workerd --version	1.20240404.0	2024-04-04

Please ensure constraints are pinned, and miniflare/workerd minor versions match.

[CarmenPopoviciu]

thank you for working on this @penalosa <3