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

[codecov[bot]]

Codecov Report

Merging #55 (32375f3) into master (dd7a7c0) will not change coverage. The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #55   +/-   ##
=====================================
  Coverage      95%    95%           
=====================================
  Files          10     10           
  Lines        1704   1704           
=====================================
  Hits         1623   1623           
  Misses         81     81