Update README.md

Author: imp-dance

README.md

@@ -1,5 +1,10 @@
 # @ryfylke-react/rtk-query-loader
 
+![npm](https://img.shields.io/npm/v/@ryfylke-react/rtk-query-loader?color=gray&style=flat-square)
+![npm type definitions](https://img.shields.io/npm/types/@ryfylke-react/rtk-query-loader?color=gray&label=%20&logoColor=gray)
+![npm](https://img.shields.io/npm/dw/@ryfylke-react/rtk-query-loader?color=%23444&style=flat-square)
+![npm bundle size](https://img.shields.io/bundlephobia/min/@ryfylke-react/rtk-query-loader@latest?style=flat-square)
+
 Lets you create loaders that contain multiple RTK queries.
 
 [Live demo / Playground](https://stackblitz.com/edit/react-ts-bwcrzm)