docs: adds NPM badges (#2)

Author: TENSIILE

README.md

@@ -1,6 +1,12 @@
 ![Logo](./assets/logo.png)
 
 <p  align='center'>
+<a href="https://www.npmjs.com/package/@saborter/server" alt="Npm package">
+        <img src="https://img.shields.io/npm/v/@saborter/server?color=red&label=npm%20package" /></a>
+<a href="https://www.npmjs.com/package/@saborter/server" alt="Npm downloads">
+        <img src="https://img.shields.io/npm/dm/@saborter/server.svg" /></a>
+<a href="https://github.com/TENSIILE/saborter-server/actions/workflows/ci.yml" alt="CI">
+        <img src="https://github.com/TENSIILE/saborter-server/actions/workflows/ci.yml/badge.svg" /></a>
 <a href="https://github.com/TENSIILE/saborter-server/blob/develop/LICENSE" alt="License">
         <img src="https://img.shields.io/badge/license-MIT-blue" /></a>
 <a href="https://github.com/TENSIILE/saborter-server" alt="Github">