JSR badge added.

Author: Smoren

README.md

@@ -1,6 +1,7 @@
 # IterTools for TypeScript and JavaScript
 
 [![npm](https://img.shields.io/npm/v/itertools-ts.svg)](https://www.npmjs.com/package/itertools-ts)
+[![jsr](https://jsr.io/badges/@smoren/itertools-ts)](https://jsr.io/@smoren/itertools-ts)
 [![npm](https://img.shields.io/npm/dm/itertools-ts.svg?style=flat)](https://www.npmjs.com/package/itertools-ts)
 [![Coverage Status](https://coveralls.io/repos/github/Smoren/itertools-ts/badge.svg?branch=master&rand=222)](https://coveralls.io/github/Smoren/itertools-ts?branch=master)
 ![Build and test](https://github.com/Smoren/itertools-ts/actions/workflows/test_master.yml/badge.svg)