Update LICENSE path

[AliAbdelfattah]

Summary of Changes

Resolves a warning that shows upon running pod install #128

Checklist

• In addition to adding the new API to Dart, I have also added its implementation to both iOS and Android.
• I have added at least 1 unit test in Dart for the new API and made sure the tests pass locally.
• I have updated README.md to add the new API.

[codecov]

Codecov Report

Merging #129 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #129   +/-   ##
=======================================
  Coverage   77.05%   77.05%           
=======================================
  Files          11       11           
  Lines         475      475           
=======================================
  Hits          366      366           
  Misses        109      109           

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