Add README badges

Author: voxpelli

README.md

@@ -2,6 +2,13 @@
 
 ACL-like authorization for [*fastify*](https://fastify.io) apps.
 
+[![npm version](https://img.shields.io/npm/v/@yikesable/fastify-acl.svg?style=flat)](https://www.npmjs.com/package/@yikesable/fastify-acl)
+[![npm downloads](https://img.shields.io/npm/dm/@yikesable/fastify-acl.svg?style=flat)](https://www.npmjs.com/package/@yikesable/fastify-acl)
+[![Module type: ESM](https://img.shields.io/badge/module%20type-esm-brightgreen)](https://github.com/voxpelli/badges-cjs-esm)
+[![Types in JS](https://img.shields.io/badge/types_in_js-yes-brightgreen)](https://github.com/voxpelli/types-in-js)
+[![js-semistandard-style](https://img.shields.io/badge/code%20style-semistandard-brightgreen.svg)](https://github.com/voxpelli/eslint-config)
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+
 With `@yikesable/fastify-acl` you can secure routes with roles, like **admin**, **superuser**, or **user:write**.  Then you just tell the plugin how to determine which roles a user has, and you're set.  You can also:
 
 * Specify any/all functionality (allow if user has any of these roles, allow if users has all of these roles, for example)