added minzipped size to README

README.md

@@ -6,6 +6,7 @@ Transfer selected element state across cross-document view transitions.
 
 ![Build Status](https://github.com/vtbag/element-crossing/actions/workflows/run-build.yml/badge.svg)
 [![npm version](https://img.shields.io/npm/v/@vtbag/element-crossing/latest)](https://www.npmjs.com/package/@vtbag/element-crossing)
+![minzip](https://badgen.net/bundlephobia/minzip/@vtbag/element-crossing)
 [![NPM Downloads](https://img.shields.io/npm/dw/@vtbag/element-crossing)](https://www.npmjs.com/package/@vtbag/element-crossing)
 
 The @vtbag website can be found at https://vtbag.pages.dev/