<!--
Make sure you've read the CONTRIBUTING.md guidelines:
https://github.com/stack-auth/stack-auth/blob/dev/CONTRIBUTING.md
-->
Adds signin with Stack Auth, allowing users to sign into our docs.
Features to come with this later down the line.
<!-- ELLIPSIS_HIDDEN -->
----
> [!IMPORTANT]
> Add Stack Auth user authentication and UI enhancements with
`UserButton` and updated import paths.
>
> - **Features**:
> - Added `UserButton` for user authentication in `home-layout.tsx`,
`shared-header.tsx`, and `stack-user-button-demo.tsx`.
> - Introduced `Handler` component in `page.tsx` to integrate
`stackServerApp` with `StackHandler`.
> - Added `Loading` component in `loading.tsx` for loading screen.
> - **Imports**:
> - Updated `stackServerApp` import path in `layout.tsx`.
> - **UI Enhancements**:
> - Updated navbar layout in `home-layout.tsx` to include `UserButton`
and improved social links.
> - Enhanced `UserButtonDemo` to use real account data when signed in.
> - **Configuration**:
> - Configured `stackServerApp` in `stack.ts` with environment variables
for authentication.
> - **Documentation**:
> - Updated `user-button.mdx` to reflect changes in `UserButton`
component.
>
> <sup>This description was created by </sup>[<img alt="Ellipsis"
src="https://img.shields.io/badge/Ellipsis-blue?color=175173">](https://www.ellipsis.dev?ref=stack-auth%2Fstack-auth&utm_source=github&utm_medium=referral)<sup>
for 4aeed316f7. You can
[customize](https://app.ellipsis.dev/stack-auth/settings/summaries) this
summary. It will automatically update as commits are pushed.</sup>
----
<!-- ELLIPSIS_HIDDEN -->
<!-- RECURSEML_SUMMARY:START -->
## Review by RecurseML
_🔍 Review performed on
[faf79e5..2659adc](faf79e5a9e...2659adc22a)_
✨ No bugs found, your code is sparkling clean
<details>
<summary>✅ Files analyzed, no issues (5)</summary>
• `docs/src/components/stack-auth/stack-user-button-demo.tsx`
• `docs/src/components/layouts/home-layout.tsx`
• `docs/src/components/layouts/shared-header.tsx`
• `docs/src/app/loading.tsx`
• `docs/src/app/handler/[...stack]/page.tsx`
</details>
<details>
<summary>⏭️ Files skipped (low suspicion) (4)</summary>
• `docs/src/app/global.css`
• `docs/src/app/layout.tsx`
• `docs/src/stack.ts`
• `docs/templates/components/user-button.mdx`
</details>
[](https://discord.gg/n3SsVDAW6U)
<!-- RECURSEML_SUMMARY:END -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- New Features
- Added an account UserButton to desktop and mobile headers; refined
navbar layout and branding.
- Introduced a full-page handler route.
- Added a global loading screen.
- UserButton demo now uses your signed-in account when available, with
clear status; falls back to mock data otherwise.
- Documentation
- Updated component docs to reference UserButton (replacing previous
naming).
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Konsti Wohlwend <n2d4xc@gmail.com>