😒 chore(README): Link to main branch.

README.md

@@ -9,17 +9,17 @@ Parent is [@aureooms/js-collections](https://github.com/aureooms/js-collections)
 counter('abracadabra').get('a'); // 5
 ```
 
-[![License](https://img.shields.io/github/license/aureooms/js-collections-counter.svg)](https://raw.githubusercontent.com/aureooms/js-collections-counter/master/LICENSE)
+[![License](https://img.shields.io/github/license/aureooms/js-collections-counter.svg)](https://raw.githubusercontent.com/aureooms/js-collections-counter/main/LICENSE)
 [![Version](https://img.shields.io/npm/v/@aureooms/js-collections-counter.svg)](https://www.npmjs.org/package/@aureooms/js-collections-counter)
-[![Build](https://img.shields.io/travis/aureooms/js-collections-counter/master.svg)](https://travis-ci.org/aureooms/js-collections-counter/branches)
+[![Build](https://img.shields.io/travis/aureooms/js-collections-counter/main.svg)](https://travis-ci.org/aureooms/js-collections-counter/branches)
 [![Dependencies](https://img.shields.io/david/aureooms/js-collections-counter.svg)](https://david-dm.org/aureooms/js-collections-counter)
 [![Dev dependencies](https://img.shields.io/david/dev/aureooms/js-collections-counter.svg)](https://david-dm.org/aureooms/js-collections-counter?type=dev)
 [![GitHub issues](https://img.shields.io/github/issues/aureooms/js-collections-counter.svg)](https://github.com/aureooms/js-collections-counter/issues)
 [![Downloads](https://img.shields.io/npm/dm/@aureooms/js-collections-counter.svg)](https://www.npmjs.org/package/@aureooms/js-collections-counter)
 
 [![Code issues](https://img.shields.io/codeclimate/issues/aureooms/js-collections-counter.svg)](https://codeclimate.com/github/aureooms/js-collections-counter/issues)
 [![Code maintainability](https://img.shields.io/codeclimate/maintainability/aureooms/js-collections-counter.svg)](https://codeclimate.com/github/aureooms/js-collections-counter/trends/churn)
-[![Code coverage (cov)](https://img.shields.io/codecov/c/gh/aureooms/js-collections-counter/master.svg)](https://codecov.io/gh/aureooms/js-collections-counter)
+[![Code coverage (cov)](https://img.shields.io/codecov/c/gh/aureooms/js-collections-counter/main.svg)](https://codecov.io/gh/aureooms/js-collections-counter)
 [![Code technical debt](https://img.shields.io/codeclimate/tech-debt/aureooms/js-collections-counter.svg)](https://codeclimate.com/github/aureooms/js-collections-counter/trends/technical_debt)
 [![Documentation](http://aureooms.github.io/js-collections-counter//badge.svg)](http://aureooms.github.io/js-collections-counter//source.html)
 [![Package size](https://img.shields.io/bundlephobia/minzip/@aureooms/js-collections-counter)](https://bundlephobia.com/result?p=@aureooms/js-collections-counter)