Install libnss3 in Docker container

[perryk12]

This is useful for cookiecutter.

[mmore500]

Adds a dependency to the Empirical Docker container.

[codecov]

Codecov Report

Merging #360 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #360   +/-   ##
=======================================
  Coverage   85.16%   85.17%           
=======================================
  Files         196      196           
  Lines       26927    26927           
=======================================
+ Hits        22933    22934    +1     
+ Misses       3994     3993    -1     

Impacted Files	Coverage Δ
source/Evolve/World_select.h	90.29% <0.00%> (+0.37%)	⬆️

---

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 feed545...41586cc. Read the comment docs.