What

Add deprecation message for CDKTF.

• 🔗 Companion PR to remove tutorials and redirect to docs index page.
• 🔗 Companion PR for dev-portal.

🔍 Build preview.

Note: So far, only the latest version, will backport once we're good on the text.

Why

CDKTF is being deprecated Dec 10th, 2025.

Merge Checklist

If items do not apply to your changes, add (N/A) and mark them as complete.

Pull Request

• Description links to related pull requests or issues, if any.

Content

• You added redirects to content/terraform-docs-common/redirects.jsonc for moved, renamed, or deleted pages across all affected versions. Refer to Redirects for examples and guidance.
• Links to related content where appropriate (e.g., CLI, language, API endpoints, permissions, etc.).
• Pages with related content are updated and link to this content when appropriate.
• Sidebar navigation files have been updated for added, deleted, reordered, or renamed pages.
• New pages have metadata (page name and description) at the top.
• New images are 2048 px wide. They have HashiCorp standard annotation color (#F92672) and format (rectangle with rounded corners), blurred sensitive details (e.g. credentials, usernames, user icons), and descriptive alt text in the markdown for accessibility.
• New code blocks have the correct syntax and line breaks to eliminate horizontal scroll bars.
• UI elements (button names, page names, etc.) are bolded.
• The Vercel website preview successfully deployed.

Reviews

• I or someone else reviewed the content for technical accuracy.
• I or someone else reviewed the content for typos, punctuation, spelling, and grammar.