Fix syntax highlighting in documentation

[Copilot]

Python code blocks in the docs were rendering without syntax highlighting - all text displayed in a single color instead of distinct colors for keywords, strings, builtins, etc.

Changes

• mkdocs.yml: Replaced pygments_lang_class: true with use_pygments: true in pymdownx.highlight config
  • pygments_lang_class: true adds language class but disables color styling
  • use_pygments: true enables server-side syntax highlighting with Material theme's color scheme
• Added inline comment documenting the configuration choice

Before/After

Before: Code displayed as monochrome text

import httpr  # Everything in same grayish-purple color
response = httpr.get("https://httpbin.org/get")
print(response.json())

After: Proper syntax highlighting with distinct colors

• Keywords (import, with) → blue
• Strings → green
• Builtins (print) → purple
• Comments → gray

Screenshot of fixed homepage:

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Bad formatting of docs</issue_title>
<issue_description>Look at https://thomasht86.github.io/httpr/ - the python code is wrongly formatted.
This was likely introduced in recent PRs.
Please build and verify docs are built and formatted correctly before creating a PR. </issue_description>

<agent_instructions>Try again now</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Bad formatting of docs #36

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[thomasht86]

This seems to be caused by this: https://www.1password.community/discussions/developers/1password-chrome-extension-is-incorrectly-manipulating--blocks/165639
So upgrading should fix it