Fix broken setup links in quickstart

[PatAltimore]

Two of the setup links are missing .md. resulting in a broken link.

Checklist

This checklist is used to make sure that common guidelines for a pull request are followed.

• [ ] Versions update reflected in all places (both init.py files, CHANGELOG, setup.py, setup.cfg)
• [ ] Unit tests pass locally
• [ ] Quickstart steps locally validated
• [ ] Passes unit tests in CICD pipeline (green on Github pipeline)
• [ ] Pypi RC version passes Edge CICD pipeline validation for cross-tool validation
• [ ] Pull request includes test coverage for the included changes
• [x] Documentation is updated for the included changes

General guidelines

• [x] Title of the pull request is clear and informative.
• [x] There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR.

Description

Fixes #

Fix broken setup links in quickstart documentation. Missing .md extension.

Additional information