:robot: docs(README.md): Make travis-ci.org point to travis-ci.com.
:robot: docs(README.md): Make travis-ci.org point to travis-ci.com.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/aureooms/rejuvenate/blob/e086830dfe927964be93f46b8ecdacd2597eb487/src/transforms/readme:link-to-travis-ci-com-instead-of-travis-ci-org.js
Please contact the author of the transform if you believe there was an error.

aureooms/js-fingertree