- Fix API key generation link to point to Keys page
- Change search sort to dlperf_per_dphtotal, increase limit to 5
- Add cost estimate, disk size clarification, instance_api_key description
- Add SSH connection step (step 6), reorder clean up to step 7
- Swap destroy/stop order, add onstart callback mention
- Link to Search Offers reference, consolidate Next Steps

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Replace the minimal API introduction with the Hello World guide content,
remove the now-redundant hello-world.mdx, and add a redirect.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Add Python code tabs alongside curl for all API steps using CodeGroup.
Restore advanced-users-only warning that was on main.

…sh_direct, show instance link

- Expand intro to describe full API scope
- Add scoped API keys tip with link to Create API Key endpoint
- Switch auth step to /users/current/ endpoint
- Add template-based instance creation with link to Templates guide
- Add ssh_direct runtype to create params
- Fix instance_api_key description to include GET access
- Add Show Instance endpoint link in polling section

Add auto-generated CLI command reference (131 pages) and SDK method
reference (150+ pages) with sidebar navigation matching API docs
category order. Add guide pages for Authentication, Permissions, and
Templates across CLI and SDK tabs. Rework SDK quickstart into a
step-by-step walkthrough. Restructure all tabs to use "Get Started"
with book icon, nest Authentication/Permissions as subpages under
an Authentication group. Order command groups to match OpenAPI tags
with Machines (host-only) last. Add redirects for removed pages.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>