🚀 docs: Update Changelog, Artifacts Bundler, Deprecation Warnings, Broken links

[danny-avila]

Summary

I updated LibreChat’s documentation to match the v0.7.7 release while refining configuration details, deprecation notices, and self-hosting options for enhanced privacy and security.

• Updated the changelog content for v0.7.7 to highlight new models, features, and contributor changes.
• Added self-hosting instructions for the Sandpack bundler, including configuration examples and related security considerations.
• Revised the credentials configuration section in the dotenv docs to clearly explain key and IV requirements with warning callouts.
• Marked deprecated title model settings for Anthropic, Google, and OpenAI endpoints and updated documentation to suggest the new titleModel setting.
• Fixed several broken /docs links and adjusted header ordering to ensure smoother navigation and consistency.
  • closes Found broken /docs link. Please fix! #253
  • closes Found broken /docs link. Please fix! #251
  • closes Found broken /docs link. Please fix! #226
  • closes Found broken /docs link. Please fix! #195

Testing:

• Verified that all documentation pages render correctly locally.
• Confirmed that updated links and configuration examples direct to the proper pages.
• Ran documentation build tests and reviewed configuration examples for accuracy.

Checklist:

• My code adheres to this project’s style guidelines
• I have performed a self-review of my changes
• I have made pertinent documentation updates
• Local documentation tests pass with my changes

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[github-actions]

📦 Next.js Bundle Analysis for librechat.ai

This analysis was generated by the Next.js Bundle Analysis action. 🤖

⚠️ Global Bundle Size Increased

Page	Size (compressed)
global	296.82 KB (🟡 +462 B)

Details

The global bundle is the javascript bundle that loads alongside every page. It is in its own category because its impact is much higher - an increase to its size means that every page on your website loads slower, and a decrease means every page loads faster.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

If you want further insight into what is behind the changes, give @next/bundle-analyzer a try!

New Page Added

The following page was added to the bundle from the code in this PR:

Page	Size (compressed)	First Load	% of Budget (350 KB)
/changelog/v0.7.7	72.11 KB	368.93 KB	105.41%

Four Pages Changed Size

The following pages changed size from the code in this PR compared to its base branch:

Page	Size (compressed)	First Load	% of Budget (350 KB)
/docs/configuration/dotenv	29.58 KB	326.4 KB	93.26% (🟡 +0.16%)
/docs/configuration/librechat_yaml/object_structure/shared_endpoint_settings	13.59 KB	310.41 KB	88.69% (🟡 +0.10%)
/docs/features/artifacts	14.3 KB	311.12 KB	88.89% (🟡 +0.32%)
/pricing	26.52 KB	323.34 KB	92.38% (🟡 +0.11%)

Details

Only the gzipped size is provided here based on an expert tip.

First Load is the size of the global bundle plus the bundle for the individual page. If a user were to show up to your website and land on a given page, the first load size represents the amount of javascript that user would need to download. If next/link is used, subsequent page loads would only need to download that page's bundle (the number in the "Size" column), since the global bundle has already been downloaded.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

The "Budget %" column shows what percentage of your performance budget the First Load total takes up. For example, if your budget was 100kb, and a given page's first load size was 10kb, it would be 10% of your budget. You can also see how much this has increased or decreased compared to the base branch of your PR. If this percentage has increased by 20% or more, there will be a red status indicator applied, indicating that special attention should be given to this. If you see "+/- <0.01%" it means that there was a change in bundle size, but it is a trivial enough amount that it can be ignored.