Add VSCode UI tests with webdriver.io

[kgartland-rstudio]

Intent

This PR adds webdriver.io vscode UI testing. The first test includes adding a new Deployment and checking the config.

Type of Change

• • [ ] Bug Fix
• • [ ] New Feature
• • [ ] Breaking Change
• • [ ] Documentation
• • [ ] Refactor
• • [x] Tooling

Approach

Automated Tests

Directions for Reviewers

Checklist

• [ ] I have updated CHANGELOG.md to cover notable changes.

[kgartland-rstudio]

I'm curious if this is based on a template or something. Would be helpful to know for future reference.

I'm using mostly defaults for the wdio.conf.ts and tsconfig.json files.