refactor: generate mdx docs with tabs for each config option

[steveiliop56]

Summary by CodeRabbit

• New Features

  • Added the TINYAUTH_CONFIGFILE environment setting for specifying a configuration file.
  • Added guidance for configuring the setting in the example environment file.

• Documentation

  • Improved the organization and visibility of authentication label-provider configuration guidance.
  • Updated configuration metadata to ensure the new setting is included consistently in generated configuration references.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: d15d8e6f-ad6f-4b0f-b04b-a1e44ebc7acc

📥 Commits

Reviewing files that changed from the base of the PR and between 791adbb and 7380cbf.

⛔ Files ignored due to path filters (2)

• gen/docs/gen_env.go is excluded by !**/gen/**
• gen/docs/gen_md.go is excluded by !**/gen/**

📒 Files selected for processing (2)

• .env.example
• internal/model/config.go

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📝 Walkthrough

Walkthrough

The configuration model now marks ConfigFile for generation, and .env.example adds TINYAUTH_CONFIGFILE while moving TINYAUTH_LABELPROVIDER into the early configuration block.

Changes

Configuration alignment

Layer / File(s)	Summary
Config file metadata and environment template .env.example, internal/model/config.go	ConfigFile moves before LabelProvider and gains gen:"include" metadata; .env.example adds TINYAUTH_CONFIGFILE and relocates TINYAUTH_LABELPROVIDER="auto".

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• tinyauthapp/tinyauth#647: Updates .env.example defaults through generation or templating.
• tinyauthapp/tinyauth#897: Updates config-file plumbing and related .env.example settings.

Suggested reviewers: scottmckendry

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the PR objective and the apparent docs-generation refactor work.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch refactor/tabbed-docs-values

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 44 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
gen/docs/gen_md.go	0.00%	42 Missing ⚠️
gen/docs/gen_env.go	0.00%	2 Missing ⚠️

📢 Thoughts on this report? Let us know!