Microscopy example scripts

[bwohlberg]

• Add a new microscopy example scripts that uses all three data channels
• Minor improvements to existing single-channel example script

[codecov]

Codecov Report

Merging #74 (f1186df) into main (d01c90c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #74   +/-   ##
=======================================
  Coverage   89.12%   89.12%           
=======================================
  Files          43       43           
  Lines        2978     2978           
=======================================
  Hits         2654     2654           
  Misses        324      324           

Flag	Coverage Δ
unittests	89.12% <ø> (ø)

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

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d01c90c...f1186df. Read the comment docs.

[Michael-T-McCann]

The result definitely looks more impressive in color. I fixed what looked like a typo.