+ cleanRoute in PageOptions

[yracnet]

Description

The cleanRoute function is designed to process and clean routes by removing unnecessary parts of the URL or route string.

Additional context

In Remix, we can declare a layout with the same name as the directory. However, with cleanRoute, we can add a .layout suffix to the layout page, making it easier to differentiate between the layout and other pages in the same directory.

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

Before submitting the PR, please make sure you do the following

• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[hannoeru]

How about using existing extendRoute feature?

[yracnet]

This change simplifies the process by applying logic directly to the group of pages, avoiding unnecessary global conditional logic and keeping the configuration cleaner and direct