Feature/init image

[meganrm]

Problem

Estimated review size: small

closes #90

Solution

Added the new image. I used z stacking to hide the sides to avoid resizing issues.

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Steps to Verify:

1. the initial view should have a full width image.
2. when you click back to the lab view, it should be behind the sidebars

Screenshots (optional):