bug(docsite): `url` is not case sensitive, but `*unix filesystem` file path is

[ice6]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

eg:
when I visit this url:
https://www.blazor.zone/cascader
everything works well

but when I visit this:
https://www.blazor.zone/Cascader
the page will show Error: Please config docs.json.

Expected Behavior

return same page result

Interactive render mode

Interactive Server (Interactive server-side rendering (interactive SSR) using Blazor Server)

Steps To Reproduce

none

Exceptions (if any)

No response

.NET Version

NET9.0

Anything else?

No response

[bb-auto]

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