docs(projects): add Projects docs and restore docs.json trailing newline

[dittops]

Motivation

• Provide a full set of user-facing documentation for the new Projects module (overview, quickstart, concepts, guides, reference, troubleshooting, and a step-by-step tutorial).
• Ensure site navigation reflects the new pages by updating the docs index.
• Preserve pre-commit-sensitive formatting by restoring the missing trailing newline in docs/docs.json and verifying no trailing spaces were reintroduced.

Description

• Updated docs/docs.json to add a Projects section and include the new pages in the navigation.
• Added a set of new MDX pages under docs/projects/ (introduction.mdx, quickstart.mdx, project-concepts.mdx, creating-first-project.mdx, guides/deployment-settings-and-autoscaling.mdx, guides/managing-project-members.mdx, reference/project-tabs-reference.mdx, and troubleshooting.mdx).
• Mirrored the new pages under master/docs/projects/ for the master path to keep repository mirrors consistent.
• Restored the trailing newline at the end of docs/docs.json and verified formatting-sensitive changes (no trailing spaces in introduction.mdx) were not regressed.

Testing

• Ran rg -n "\s+$" docs/projects/introduction.mdx master/docs/projects/introduction.mdx docs/docs.json || true to confirm no trailing spaces, which returned clean results.
• Ran a Python check from pathlib import Path; Path('docs/docs.json').read_bytes().endswith(b'\n') to confirm docs/docs.json ends with a newline, which returned True.
• Verified working tree state with git status --short and committed the newline fix using the message fix(docs): restore docs.json trailing newline for pre-commit, which succeeded.

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Codex Task

[gemini-code-assist]

Summary of Changes

Hello @dittops, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly expands the product's documentation by adding a complete suite of guides and reference materials for the new Projects module. The new content aims to provide users with a thorough understanding of project creation, management, and operational aspects, enhancing the overall user experience and clarity. Concurrently, it ensures the documentation structure is properly reflected in the site's navigation and maintains code quality by addressing a minor formatting issue.

Highlights

• New Projects Module Documentation: Introduced a comprehensive set of user-facing documentation for the new Projects module, covering overview, quickstart, concepts, guides, reference, troubleshooting, and a step-by-step tutorial.
• Site Navigation Update: Updated docs/docs.json to integrate the new Projects documentation pages into the site's navigation structure.
• Formatting Consistency: Restored a missing trailing newline in docs/docs.json and verified that no trailing spaces were reintroduced in new MDX files, ensuring adherence to pre-commit formatting standards.

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Changelog

• docs/docs.json
  • Added new navigation entries for the Projects module, including introduction, quickstart, concepts, guides, reference, and troubleshooting pages.
  • Restored a missing trailing newline to ensure pre-commit formatting compliance.
• docs/projects/creating-first-project.mdx
  • New file: Added a step-by-step guide for creating and operationally preparing a project.
• docs/projects/guides/deployment-settings-and-autoscaling.mdx
  • New file: Added documentation on configuring deployment settings, including rate limiting, retry/fallback, and autoscaling.
• docs/projects/guides/managing-project-members.mdx
  • New file: Added a guide for inviting collaborators and managing project-level permissions.
• docs/projects/introduction.mdx
  • New file: Added an introduction to the Projects module, detailing its overview, benefits, lifecycle, core areas, and typical workflow.
• docs/projects/project-concepts.mdx
  • New file: Added documentation explaining core project concepts such as metadata, permission scope, tab-based functional areas, safe lifecycle management, and SLO-aware scaling.
• docs/projects/quickstart.mdx
  • New file: Added a quick start guide for creating a project, adding members, and validating project tabs.
• docs/projects/reference/project-tabs-reference.mdx
  • New file: Added a reference guide for the various operational tabs available within project details.
• docs/projects/troubleshooting.mdx
  • New file: Added a troubleshooting guide for common issues related to project access, creation, member management, deletion, and operational tabs.
• master/docs/projects/creating-first-project.mdx
  • New file: Mirrored the 'Creating Your First Project' guide to the master branch path.
• master/docs/projects/guides/deployment-settings-and-autoscaling.mdx
  • New file: Mirrored the 'Deployment Settings and Autoscaling' guide to the master branch path.
• master/docs/projects/guides/managing-project-members.mdx
  • New file: Mirrored the 'Managing Project Members' guide to the master branch path.
• master/docs/projects/introduction.mdx
  • New file: Mirrored the 'Introduction to Projects' documentation to the master branch path.
• master/docs/projects/project-concepts.mdx
  • New file: Mirrored the 'Project Concepts' documentation to the master branch path.
• master/docs/projects/quickstart.mdx
  • New file: Mirrored the 'Quick Start' guide to the master branch path.
• master/docs/projects/reference/project-tabs-reference.mdx
  • New file: Mirrored the 'Project Tabs Reference' documentation to the master branch path.
• master/docs/projects/troubleshooting.mdx
  • New file: Mirrored the 'Troubleshooting' guide to the master branch path.

Activity

• The author dittops initiated this pull request to add extensive documentation for the new Projects module.
• New MDX files were added to cover various aspects of the Projects module, including quickstarts, concepts, guides, reference, and troubleshooting.
• The docs/docs.json file was modified to update the site navigation to include all the newly added documentation pages.
• A specific fix was implemented to restore a trailing newline in docs/docs.json to ensure consistency with pre-commit hooks.
• The author performed checks using rg and Python scripts to verify the absence of trailing spaces and the presence of the trailing newline in relevant files.

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[gemini-code-assist]

Code Review

This pull request introduces a comprehensive set of documentation for the new Projects module. The documentation is well-structured, clear, and provides a good overview for users. The update to docs.json correctly integrates the new pages into the site navigation.

However, I have a significant concern about the duplication of all new documentation files under the master/docs/projects/ directory. This approach will create a maintenance challenge, making it difficult to keep documentation consistent over time. I've left a specific comment with suggestions on how to handle this without committing duplicated files. Addressing this will greatly improve the long-term maintainability of the documentation.