chore(README): add bundlephobia badge

README.md

@@ -2,7 +2,7 @@
 
 # roulletor: **rou**te co**llector**
 
-[![npm.badge]][npm] [![codecov.badge]][codecov] [![actions.ci.badge]][actions.ci] [![actions.release.badge]][actions.release] [![semantic-release.badge]][semantic-release] [![MIT][license.badge]][license]
+[![npm.badge]][npm] [![codecov.badge]][codecov] [![bundlephobia.badge]][bundlephobia] [![actions.ci.badge]][actions.ci] [![actions.release.badge]][actions.release] [![semantic-release.badge]][semantic-release] [![MIT][license.badge]][license]
 
 [![][tweet]][tweet.url]
 
@@ -265,6 +265,9 @@ Notes:
 [npm.badge]: https://img.shields.io/npm/v/roullector
 [npm]: https://www.npmjs.com/package/roullector
 
+[bundlephobia.badge]: https://img.shields.io/bundlephobia/minzip/roullector?label=minzipped
+[bundlephobia]: https://bundlephobia.com/package/roullector
+
 [semantic-release]: https://github.com/semantic-release/semantic-release
 [semantic-release.badge]: https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg