docs: add ReactLynx solution guide - #1921

Adds bilingual ReactLynx solution guides covering builds, types, testing, publishing, and dependency distribution.

Changes:

• Adds English and Chinese ReactLynx documentation.
• Documents JSX preservation, Rstest integration, External Bundles, and package exports.
• Adds both pages to the solution navigation menus.

Review notes: Remaining nit-level feedback requests authoritative package/API links, a source.entry link, and aligned heading anchors in the localized guide.

Suppressed comments (5)

website/docs/en/guide/solution/reactlynx.mdx:197

• Link source.entry here as well. This is the configuration readers must adjust for a dependency's actual output, and leaving “the entry” unlinked makes the glob and static-asset behavior harder to verify.

Adjust [outBase](/config/lib/out-base) and the entry to match the dependency's actual output, including the code, styles, and static assets to process:

website/docs/en/guide/solution/reactlynx.mdx:103

• Link the peer dependencies to their canonical package or API pages. @lynx-js/react, @lynx-js/types, and @types/react are introduced here without direct references, so readers cannot verify the required versions from the guide.

    "@lynx-js/react": ">=0.100.0", // [!code ++]
    "@lynx-js/types": ">=4", // [!code ++]
    "@types/react": ">=19" // [!code ++]

website/docs/zh/guide/solution/reactlynx.mdx:197

• Link source.entry here as well. This is the configuration readers must adjust for a dependency's actual output, and leaving “入口” unlinked makes the glob and static-asset behavior harder to verify.

[outBase](/config/lib/out-base) 和入口需按依赖的实际产物调整，包含需要处理的代码、样式和静态资源：

website/docs/zh/guide/solution/reactlynx.mdx:9

• Keep the localized heading IDs aligned with the English page. These translated headings generate different default anchors (for example, this becomes 创建-reactlynx-项目 instead of create-a-reactlynx-project), so deep links copied from the English page or preserved during locale switching cannot resolve; add explicit English IDs to the Chinese headings.

## 创建 ReactLynx 项目

website/docs/zh/guide/solution/reactlynx.mdx:103

• 请为这些 peer 依赖添加官方包页面或 API 文档链接。此处引入了 @lynx-js/react、@lynx-js/types 和 @types/react，但读者无法从指南中核对所需版本。

    "@lynx-js/react": ">=0.100.0", // [!code ++]
    "@lynx-js/types": ">=4", // [!code ++]
    "@types/react": ">=19" // [!code ++]

• Files reviewed: 4/4 changed files
• Comments generated: 2
• Review effort level: Lite