refactor(asio): make module package canonical

[wellwei]

Summary

• remove the transitional compat.asio@1.38.1 header-only package and its consumer tests
• replace the chriskohlhoff.asio package identity with canonical default-root asio@1.38.1
• preserve the existing C++23 module wrapper and separate-compilation recipe, with concise usage cautions, limitations, and unexported-component notes

Consumer contract

mcpp add asio@1.38.1

import std;
import asio;

compat.asio@1.38.1 and chriskohlhoff.asio@1.38.1 are removed without aliases. The canonical package is module-only.

Validation

• Lua syntax and mirror-table checks
• strict descriptor parse with workflow-pinned mcpp 0.0.101
• isolated macOS arm64 mcpp test -p asio-module: 5 passed, 0 failed

Linux and Windows module coverage is delegated to PR CI.

No archive URL, SHA-256, mirror, generated wrapper, source list, feature, define, platform flag, mcpp core behavior, or unrelated documentation changes.

[Sunrisepeak]

缺少命名空间 以及文件名命名 chriskohlhoff.asio.lua

package = {
spec = "1",
namespace = "chriskohlhoff",
name = "asio",
description = "Standalone asio exposed as the C++23 module asio (separate compilation)",
licenses = {"BSL-1.0"},