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

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Note

Add FOSSA status badges (shield and large) and introduce a License section in README.md.

• Docs:
  • Update README.md:
    • Add FOSSA status shield badge below title.
    • Add new License section with large FOSSA status badge.

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