🤖 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/make-github-pseudonymous-again/rejuvenate/blob/9b50c2a1d7e9ab7b4bc9c9ff88892e98c5f62244/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.

Author: a-flying-potato

README.md

@@ -14,7 +14,7 @@ for ( let value of list ) ... ;
 
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-[![Build](https://img.shields.io/travis/list-abstraction/doubly-linked-list/main.svg)](https://travis-ci.org/list-abstraction/doubly-linked-list/branches)
+[![Build](https://img.shields.io/travis/list-abstraction/doubly-linked-list/main.svg)](https://travis-ci.com/list-abstraction/doubly-linked-list/branches)
 [![Dependencies](https://img.shields.io/librariesio/github/list-abstraction/doubly-linked-list.svg)](https://github.com/list-abstraction/doubly-linked-list/network/dependencies)
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