fix: update custom domain setup guide

[tamalchowdhury]

Restructured and rewrote the custom domain setup guide with clearer step-by-step instructions, field-by-field DNS setup details, provisioning status screenshots, and provider-specific links. Moved CAA records, social sign-in, and multi-level subdomains into an Advanced setup section, and expanded FAQs. Also fixed grammar, hyphenation, parallel structure, and frontmatter throughout.

Summary by CodeRabbit

• Documentation
  • Reorganized and expanded custom domain setup guide with detailed step-by-step instructions
  • Added advanced setup section covering CAA records and provider-specific configuration
  • Included guidance for integrating custom domains with social sign-in providers
  • Enhanced troubleshooting with DNS handling tips and common scenarios

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: e60ea734-d4bf-4c6e-a934-679eca2e9c67

📥 Commits

Reviewing files that changed from the base of the PR and between 4f5e0f0 and 8c66ee6.

📒 Files selected for processing (1)

• src/content/docs/build/domains/pointing-your-domain.mdx

Walkthrough

This PR updates the custom domain setup guide documentation with refreshed metadata, a reorganized step-by-step general setup flow with provider-specific DNS guidance, new sections for social sign-in provider integration and multi-level subdomain handling, and expanded FAQ/troubleshooting coverage addressing token behavior, DNS formatting, provisioning timing, and local domain limitations.

Changes

Custom Domain Setup Guide

Layer / File(s)	Summary
Page metadata and navigation setup src/content/docs/build/domains/pointing-your-domain.mdx	Frontmatter title, description, sidebar label, and order updated; topic list expanded to explicitly include SSL, CAA records, and social sign-in.
General setup flow and advanced CAA configuration src/content/docs/build/domains/pointing-your-domain.mdx	Main guide content rewritten with step-by-step general setup (Kinde dashboard entry, DNS CNAME records with provider-specific links, verification/provisioning status, App keys location) and advanced setup section for CAA record configuration.
Social sign-in integration and multi-level subdomains src/content/docs/build/domains/pointing-your-domain.mdx	New sections guide configuring callback URLs with social sign-in providers to display the custom domain and handling multi-level subdomains with zone configuration notes.
Tips, troubleshooting, and FAQs src/content/docs/build/domains/pointing-your-domain.mdx	Comprehensive FAQ covering custom domain requirements, token non-interchangeability, DNS formatting, provisioning timelines, use case rationale, Kinde domain retention, SSL renewal DNS requirements, local domain limitations, and updated support information.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 A guide grows clearer, step by step so bright,
DNS records dancing, bringing domains to light,
Social signs now welcome, multi-subdomains too,
With FAQs for every question—hop, our docs are new! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'fix: update custom domain setup guide' directly reflects the main change: restructuring and rewriting the custom domain setup documentation. It is concise, specific, and clearly summarizes the primary objective of the PR.
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.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch tamal/update/add-custom-domain-page-update

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[cloudflare-workers-and-pages]

Deploying kinde-docs-preview with    Cloudflare Pages

Latest commit:	8c66ee6
Status:	✅  Deploy successful!
Preview URL:	https://9fd5094b.kinde-docs-preview.pages.dev
Branch Preview URL:	https://tamal-update-add-custom-doma.kinde-docs-preview.pages.dev

View logs

[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/content/docs/build/domains/pointing-your-domain.mdx`:
- Around line 146-154: The two instructional screenshots currently use empty alt
attributes which makes them inaccessible; update the <img> elements that
reference the URLs ending with "9247cb87-9e7a-4977-b3f5-6c8b52f64200/public"
(and the other image at lines around the same block) to provide short
descriptive alt text that conveys the screenshot purpose (e.g., "DNS settings in
provider dashboard" or "Add CNAME record dialog") instead of alt=""; keep other
attributes (width, loading, decoding) unchanged.
- Around line 198-201: The CNAME example entry uses an incorrect
self-referential Value (`account.example.com`) that contradicts the earlier
“Value from Kinde” instruction; update the CNAME Value example in the block that
lists Host: `account` and Record type: `CNAME` to show the Kinde-provided target
(e.g., replace `account.example.com` with a clear placeholder like “Value from
Kinde” or the provider target example such as `your-tenant.kinde.com`) so
readers are guided to use the actual target shown in Kinde rather than pointing
to their own domain.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: e29c2708-edb1-4ef9-bbf6-122640c52abf

📥 Commits

Reviewing files that changed from the base of the PR and between b750eb9 and 4f5e0f0.

📒 Files selected for processing (1)

• src/content/docs/build/domains/pointing-your-domain.mdx