fix(tools): dev server aliased element redirects

[zeroedin]

What I did

1. Corrects aliased elements redirects in dev-server

Testing Instructions

1. Dev Server locally add the configuration from the .pfe.config.json below:

Notes to Reviewers

Given a .pfe.conf.json with the following contents:

{
  "renderTitleInOverview": false,
  "aliases": {
    "pf-modal": "Marvelous Modals",
    "pf-tabs": "Terrific Tabs",
    "pf-clipboard-copy": "Making Copies",
    "pf-tile": "Tantalizing Tiles"
  }
}

A request to pf-modals demo.css would produce a URL in the dev-server as:

http://localhost:8000/components/magnificent-modal/demo/demo.css

Using deslugify we take the magnificient-modal slug and check for an alias and return it, If there is no alias we simply return the original path requested ensuring it has the correct tag prefix.

http://localhost:8000/components/magnificent-modal/demo/demo.css
Redirects to =>
http://localhost:8000/components/pf-modal/demo/demo.css

[changeset-bot]

🦋 Changeset detected

Latest commit: 0b3c234

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@patternfly/pfe-tools	Patch

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[nikkimk]

lobsters get terribly mean