docs(recipes/pathRewrite.md): fix comment

[DEBargha2004]

rewrite path doc fixed

Description

In the recipes/pathRewrite.md there was a typo with the Rewrite paths section
i had changed
// /old/api/foo/bar -> http://localhost:3000/new/api/foo/bar

to

// /api/old-path/foo/bar -> http://localhost:3000/api/new-path/foo/bar

Motivation and Context

How has this been tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[pkg-pr-new]

npm i https://pkg.pr.new/http-proxy-middleware@1135

commit: f123d81

[coveralls]

coverage: 97.129%. remained the same
when pulling f123d81 on DEBargha2004:fix/rewrite-path-doc
into e7ae009 on chimurai:master.