😒 chore(README): Link to main branch.

Author: make-github-pseudonymous-again

README.md

@@ -20,17 +20,17 @@ let {
 } = heapq ;
 ```
 
-[![License](https://img.shields.io/github/license/make-github-pseudonymous-again/js-heapq.svg)](https://raw.githubusercontent.com/make-github-pseudonymous-again/js-heapq/master/LICENSE)
+[![License](https://img.shields.io/github/license/make-github-pseudonymous-again/js-heapq.svg)](https://raw.githubusercontent.com/make-github-pseudonymous-again/js-heapq/main/LICENSE)
 [![Version](https://img.shields.io/npm/v/@aureooms/js-heapq.svg)](https://www.npmjs.org/package/@aureooms/js-heapq)
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+[![Build](https://img.shields.io/travis/make-github-pseudonymous-again/js-heapq/main.svg)](https://travis-ci.org/make-github-pseudonymous-again/js-heapq/branches)
 [![Dependencies](https://img.shields.io/david/make-github-pseudonymous-again/js-heapq.svg)](https://david-dm.org/make-github-pseudonymous-again/js-heapq)
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-[![Code coverage (cov)](https://img.shields.io/codecov/c/gh/make-github-pseudonymous-again/js-heapq/master.svg)](https://codecov.io/gh/make-github-pseudonymous-again/js-heapq)
+[![Code coverage (cov)](https://img.shields.io/codecov/c/gh/make-github-pseudonymous-again/js-heapq/main.svg)](https://codecov.io/gh/make-github-pseudonymous-again/js-heapq)
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