feat(dev): migrate to local-web-server

[tim-lai]

Description

Replace http-server with local-web-server. This is a dev-only feature change, to serve a static instance of swagger-ui.

Motivation and Context

http-server relies on a deprecated and unmaintained package, ecstatic. http-server also has not been updated since 4/27/2020, and does not include the last security patch provided by ecstatic.

Though local-web-server hasn't been updated since 5/23/2020, it does not appear to have dependencies with current security advisories.

reference on ecstatic deprecation, with suggestions/comments to try local-web-server
ecstatic's Past, Present and Future

How Has This Been Tested?

local dev via npm start works as intended

Screenshots (if appropriate):

Checklist

My PR contains...

• No code changes (src/ is unmodified: changes to documentation, CI, metadata, etc.)
• Dependency changes (any modification to dependencies in package.json)
• Bug fixes (non-breaking change which fixes an issue)
• Improvements (misc. changes to existing features)
• Features (non-breaking change which adds functionality)

My changes...

• [] are breaking changes to a public API (config options, System API, major UI change, etc).
• are breaking changes to a private API (Redux, component props, utility functions, etc.).
• are breaking changes to a developer API (npm script behavior changes, new dev system dependencies, etc).
• are not breaking changes.

Documentation

• My changes do not require a change to the project documentation.
• My changes require a change to the project documentation.
• If yes to above: I have updated the documentation accordingly.

Automated tests

• My changes can not or do not need to be tested.
• My changes can and should be tested by unit and/or integration tests.
• If yes to above: I have added tests to cover my changes.
• If yes to above: I have taken care to cover edge cases in my tests.
• All new and existing tests passed.