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

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[fossabot]

Your license scan is passing -- congrats!

Your badge status is now updated and ready to merge:

[codecov]

Codecov Report

Merging #203 (6800f43) into master (be89c5f) will not change coverage.
The diff coverage is n/a.

❗ Current head 6800f43 differs from pull request most recent head c6b7bec. Consider uploading reports for the commit c6b7bec to get more accurate results

@@            Coverage Diff            @@
##            master      #203   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           56        56           
  Lines         1098      1098           
  Branches       134       134           
=========================================
  Hits          1098      1098           

Flag	Coverage Δ
xlsx-import	100.00% <ø> (ø)
xlsx-renderer	100.00% <ø> (ø)

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication