Add httpx to pip registry

[scottmbutterworth]

Summary

Adds httpx — a next-generation HTTP client for Python — to the pip registry.

httpx is a widely-used, stable library (30M+ monthly downloads) that provides both synchronous and asynchronous HTTP client functionality. Its documentation lives in the docs/ directory of the main repository.

Changes

• New file: registry/pip/httpx.yaml
• Format matches existing pip entries (fastapi, pydantic, django, flask)
• min_version: "0.25.0" (stable API, docs in docs/)
• tag_pattern: "{version}" (httpx uses bare version tags, e.g. 0.28.1)

Verification

• YAML validates against the existing schema used by other pip entries
• docs_path: docs matches the repository structure at https://github.com/encode/httpx/tree/main/docs
• httpx is not already in the registry (confirmed: existing pip entries are django, fastapi, flask, pydantic)

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2ff2170

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[moshest]

Looks good. Clean, minimal addition that matches the existing pip registry conventions.

Verified against the repo and existing entries:

• Format — mirrors the other pip entries (django, flask, pydantic, fastapi): same keys, same structure, lang: en.
• tag_pattern: "{version}" — correct. git ls-remote --tags encode/httpx shows bare version tags (0.25.0, 0.28.1, …), no v prefix, unlike pydantic which uses v{version}.
• min_version: "0.25.0" — exists as a real tag, and stable releases run through 0.28.1.
• docs_path: docs — confirmed the docs/ directory at tag 0.28.1 contains the markdown docs (index.md, quickstart.md, api.md, advanced/, etc.).
• No duplicate — httpx isn't already in registry/pip/.

One non-blocking note: CI is still pending (no checks have reported yet) — worth confirming it goes green before merge, but nothing in the diff suggests a problem.

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