docs(examples): clarify server.ts entrypoint updates for edge runtimes

[TadejPolajnar]

PR updates the Paraglide example documentation to clarify server entrypoint requirements for edge runtime deployments.

Changes:

• Added explanatory note about when server.ts needs to be updated for edge runtimes
• Documented that paraglideMiddleware prevents locale redirect bugs (e.g., /de → /en)

Issue was also mention here, but never properly documented. #6268

Summary by CodeRabbit

• Documentation
  • Added guidance requiring a custom server entry point for correct locale detection and server-side rendering behavior, with notes for edge runtimes.
  • Clarified Cloudflare Workers support and configuration considerations for custom server setups.
  • Retained existing edge-runtime deployment, Vite integration, and URL rewrite guidance for locale handling.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Adds documentation clarifications and instructions for configuring a custom server entry point and edge-runtime deployment (Cloudflare Workers) for the Paraglide React i18n example, plus README notes emphasizing that a custom server.ts is required for locale detection and SSR context.

Changes

Cohort / File(s)	Summary
Example README examples/react/start-i18n-paraglide/README.md	Added notes that a custom server.ts entry point is required for Paraglide to function (locale detection, SSR context), mentioned Cloudflare Workers support, and linked Server Entry Point docs; notes placed after code snippets and middleware example.
Server entry docs docs/start/framework/react/guide/server-entry-point.md	New section "Configuring the Server Entry Point" with guidance for edge runtimes (e.g., Cloudflare Workers), instructing to set "main": "./src/server.ts" in wrangler.jsonc and explaining enabling custom middleware/authentication/server-side logic.

Sequence Diagram(s)

(omitted — changes are documentation-only and do not introduce new runtime control flow)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Suggested labels

documentation

Poem

🐰 I hopped through README lines so neat,
Tucked a server.ts where runtimes meet,
Cloudflare breezes, locales in tune,
Paraglide sings beneath the moon 🌙

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly matches the PR's main objective: clarifying server.ts entrypoint documentation for edge runtimes, which is reflected in both the README note additions and the new server-entry-point.md documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[coderabbitai]

Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@examples/react/start-i18n-paraglide/README.md`:
- Around line 91-96: The README shows a JSON code block for wrangler.toml which
is invalid; replace the JSON block with a TOML code block and use TOML comment
syntax, e.g., change the block labelled **Cloudflare Workers (`wrangler.toml`)**
to use ```toml``` and set the entry as main = "./src/server.ts" with comments
prefixed by # (not //) so the file is valid TOML for Wrangler.