docs: minor docs improvements

[sajadtorkamani]

Summary by CodeRabbit

• Documentation
  • Clarified code-splitting guidance and improved routing documentation wording.
  • Updated route tree and pathless route references for consistency.
  • Corrected grammar and punctuation across file-based routing and routing concepts guides.
  • Refined cross-references to help readers navigate related routing topics.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 14c7cbe0-ea7f-4714-a590-9702fd1af3cb

📥 Commits

Reviewing files that changed from the base of the PR and between e56a677 and c115ce6.

📒 Files selected for processing (5)

• docs/router/guide/code-splitting.md
• docs/router/routing/code-based-routing.md
• docs/router/routing/file-based-routing.md
• docs/router/routing/file-naming-conventions.md
• docs/router/routing/routing-concepts.md

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📝 Walkthrough

Walkthrough

The PR updates router documentation wording, punctuation, and internal guide references across code-splitting and routing pages. No exported entities or routing behavior change.

Changes

Router documentation

Layer / File(s)	Summary
Code-splitting example guidance docs/router/guide/code-splitting.md	Rephrases the .lazy.tsx example to explain splitting a route into two files for code splitting.
Routing terminology and prose consistency docs/router/routing/*.md	Updates Route Trees and Pathless Routes references, clarifies type-safety wording, and adjusts punctuation in routing explanations.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Suggested labels: documentation

Suggested reviewers: 0x80

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title is related to the PR, but it is too vague to describe the specific documentation changes.	Use a more specific title that names the main docs areas changed, such as routing/code-splitting documentation updates.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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