docs-06: Restructure Modules Docs Site Information Architecture

[djm81]

Summary

Restructure the modules docs site from 6 flat sidebar sections to 7 focused sections with per-bundle organization: Getting Started, Bundles, Workflows, Integrations, Team & Enterprise, Authoring, Reference.

OpenSpec Change

• Change folder: openspec/changes/docs-06-modules-site-ia-restructure/
• Priority: P0 (foundational)

Scope

• Create bundles/{backlog,project,codebase,spec,govern,code-review}/ directories
• Create workflows/, integrations/, team-and-enterprise/, authoring/ directories
• Move 15+ guide files from flat guides/ to bundle/workflow/authoring locations
• Update sidebar navigation with collapsible bundle groups
• Rewrite landing page as bundle-focused
• Add jekyll-redirect-from entries

Source Plan

specfact-cli-internal/docs/internal/implementation/2026-03-23-docs-refactoring-beginner-to-enterprise-plan.md