[jay23606]

Fixes #717

Add the existing MathCAT logo to the user, translator, and developer guides, matching the library-users page.

Validation

• Before: the issue was confirmed in the source—the logo was absent from these three pages. The Rust and docs test commands were not run on the base branch.
• After: the Jekyll site build passes and the generated pages include the logo; cargo test and cargo test --features no-unsafe pass; cargo clippy and cargo clippy --features no-unsafe pass with warnings denied; git diff --check passes.
• Not verified: visual appearance in a browser.

🤖 Generated with Claude Code

[moritz-gross]

issue #717 says:

Note: this is not #406.: the logo exists but it is either not present or not really designed properly for these pages.

How is this handled?

[github-actions]

Linux library size: 0.59 MiB (0.00%)

Revision	Release liblibmathcat.so
Base (915eb18)	0.59 MiB (618,272 bytes)
PR (fafef8f)	0.59 MiB (618,272 bytes)
Change	0 bytes (0.00%)

Built with default features, Rust 1.96.0, and Ubuntu 24.04. Workflow run.

[NSoiffer]

Thanks for trying, but that's not correct. The logo should flow as part of the text as it does in https://daisy.github.io/MathCAT/. I'm closing this. Please open another PR if you can get the alignment correct.