Update .gitignore

[robertandremitchell]

PULL REQUEST

Summary

Removes some turbo and ECR viewer specific things, adds the folder created during playwright tests to the ignore

Related Issue

Fixes small annoyance

Acceptance Criteria

Please copy the acceptance criteria from your ticket and paste it here for your reviewer(s)

For frontend PR’s - include a description (including anything that’s out of scope) for what you want the designers to review

• ex: “Check out the whitespace on the page, as well as the dropdowns in the form. Here is the corresponding Figma link. You can ignore everything else. Also, the button at the bottom doesn’t work now”

Additional Information

Anything else the review team should know?

Checklist

• If this code affects the other scrum team, have they been notified? (In Slack, as reviewers, etc.)