Add MRI perturbation interface

[ad12]

Add initial interface for visualizing MRI noise and motion perturbations

[codecov-commenter]

Codecov Report

Merging #358 (1f6847d) into main (a2bfa55) will not change coverage.
The diff coverage is 57.14%.

@@           Coverage Diff           @@
##             main     #358   +/-   ##
=======================================
  Coverage   66.92%   66.92%           
=======================================
  Files         246      246           
  Lines       13286    13286           
  Branches     1926     1926           
=======================================
  Hits         8892     8892           
  Misses       3967     3967           
  Partials      427      427           

Flag	Coverage Δ
unittests	66.92% <57.14%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ive/app/src/lib/component/core/gallery/__init__.py	71.42% <ø> (ø)
meerkat/interactive/graph/reactivity.py	77.86% <57.14%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more