Adding Example Notebook For Error Labeling Matrix

[natalie-isak]

This PR shows how the error matrix of labels might be used. Here's an example of a correct prediction:

Here's an example of an extra detection that was not anticipated:

[codecov-commenter]

Codecov Report

Merging #40 (0c7046d) into main (4729ac4) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #40   +/-   ##
=======================================
  Coverage   80.85%   80.85%           
=======================================
  Files           7        7           
  Lines         350      350           
=======================================
  Hits          283      283           
  Misses         67       67           

Flag	Coverage Δ
unittests	80.85% <ø> (ø)

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

[imatiach-msft]

remove notebook outputs please

[imatiach-msft]

it might be better to create a notebooks folder and move this sample notebook there?

[imatiach-msft]

oh wait we do have a notebooks folder - why not move this example there then?