Add license scan report and status

[fossabot]

Your FOSSA integration was successful! Attached in this PR is a badge and license report to track scan status in your README.

Below are docs for integrating FOSSA license checks into your CI:

• CircleCI
• TravisCI
• Jenkins
• Other

[fossabot]

Your license scan is passing -- congrats!

Your badge status is now updated and ready to merge:

[codecov[bot]]

Codecov Report

Merging #16 (ebd846d) into main (64c7f40) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #16   +/-   ##
=======================================
  Coverage   99.14%   99.14%           
=======================================
  Files          10       10           
  Lines        1286     1286           
  Branches      407      407           
=======================================
  Hits         1275     1275           
  Partials       11       11           

Flag	Coverage Δ
LINUX-GCC	99.11% <ø> (ø)
TDM-GCC-64	82.19% <ø> (ø)

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