Add ESLint Prettier plugin and coverage report

[eduardomourar]

Issue #, if available:

Description of changes:

• Automatically format code using the ESLint Prettier plugin
• Generate coverage report and sent to codecov

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@0b53488). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #6   +/-   ##
=========================================
  Coverage          ?   94.24%           
=========================================
  Files             ?       13           
  Lines             ?      834           
  Branches          ?      123           
=========================================
  Hits              ?      786           
  Misses            ?       48           
  Partials          ?        0           

Flag	Coverage Δ
#unittests	94.24% <0.00%> (?)

---

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 0b53488...eb4c02b. Read the comment docs.