Add NPM badge to Readme (#46)

Author: l-you

.changeset/rude-rocks-poke.md

@@ -0,0 +1,5 @@
+---
+"next-scroll-restorer": patch
+---
+
+Add NPM badge to Readme

README.md

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 # NextJs Scroll Restorer
+![NPM Version](https://img.shields.io/npm/v/next-scroll-restorer)
+![NPM Downloads](https://img.shields.io/npm/dm/next-scroll-restorer)
+![NPM License](https://img.shields.io/npm/l/next-scroll-restorer)
+![npm bundle size](https://img.shields.io/bundlephobia/min/next-scroll-restorer)
+![NPM Type Definitions](https://img.shields.io/npm/types/next-scroll-restorer)
 
 Scroll restoration for Next.js apps built with **app** directory. 
 Fixed bugs that Next.js team ignored.