fix: formatting, italicizing for configuring-routes procedure

[dkwon17]

Signed-off-by: dkwon17 [email protected]

What does this pull request change?

This small PR makes some minor formatting and italicizing fixes in the procedure of this page: https://www.eclipse.org/che/docs/next/administration-guide/configuring-routes/

Before this PR (red arrows highlighting some problems)

After this PR

What issues does this pull request fix or reference?

No particular issue

Specify the version of the product this pull request applies to

All versions

Pull Request checklist

The author and the reviewers validate the content of this pull request with the following checklist, in addition to the automated tests.

• Any procedure:
  • [ ] Successfully tested.
• Any page or link rename:
  • [ ] The page contains a redirection for the previous URL.
  • Propagate the URL change in:
    • [ ] Dashboard default branding data
    • [ ] Chectl constants.ts
• [x] Builds on Eclipse Che hosted by Red Hat.
• [x] the Validate language on files added or modified step reports no vale warnings.

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[themr0c]

Can't be applied to 7.50.x: conflicts.