docs(js): Add docs for Hydrogen with RR7

[onurtemizkan]

Documents: getsentry/sentry-javascript#17145

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 11, 2025 0:45am

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
develop-docs	⬜️ Ignored (Inspect)			Aug 11, 2025 0:45am

[Copilot]

Pull Request Overview

This PR adds comprehensive documentation for Shopify Hydrogen framework integration with Sentry, covering both legacy Remix v2 versions and newer React Router 7 versions. The documentation is split to accommodate the framework transition that occurred in Hydrogen version 2025.5.0.

Key changes:

• Updated legacy Hydrogen documentation (pre-2025.5.0) with clarified version scope and improved examples
• Added new documentation for modern Hydrogen with React Router 7 (2025.5.0+)
• Provided migration guidance between the two approaches

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
docs/platforms/javascript/guides/cloudflare/frameworks/hydrogen-remix.mdx	Updated legacy Hydrogen guide with version clarification, improved code examples, and cross-references to new React Router guide
docs/platforms/javascript/guides/cloudflare/frameworks/hydrogen-react-router.mdx	New comprehensive guide for Hydrogen with React Router 7, including server/client setup, SSR configuration, and build tooling

[codecov]

Bundle Report

Changes will increase total bundle size by 4.91kB (0.02%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-client-array-push	9.85MB	-6 bytes (-0.0%) ⬇️
sentry-docs-server-cjs	12.38MB	4.91kB (0.04%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	882.71kB	-0.0%
static/chunks/8321-*.js	-3 bytes	425.87kB	-0.0%
server/middleware-*.js	5.55kB	6.55kB	555.3% ⚠️
server/middleware-*.js	-5.55kB	1.0kB	-84.74%
static/CS8ZK6W1NXfWHCii1Q4Qd/_buildManifest.js (New)	684 bytes	684 bytes	100.0% 🚀
static/CS8ZK6W1NXfWHCii1Q4Qd/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/xZbzCaLdZEd5g3z-*.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/xZbzCaLdZEd5g3z-*.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.77MB	-0.0%
../instrumentation.js	-3 bytes	1.1MB	-0.0%
9523.js	-3 bytes	1.08MB	-0.0%
../app/[[...path]]/page.js.nft.json	1.64kB	745.35kB	0.22%
../app/platform-redirect/page.js.nft.json	1.64kB	745.27kB	0.22%
../app/sitemap.xml/route.js.nft.json	1.64kB	742.74kB	0.22%