update readme.md

README.md

@@ -1,6 +1,9 @@
 # sharp-read-bmp
 Function for reading bmp and ico and returning a sharp instance
 
+[![][npm-badge]][npm-link]
+[![][mit-badge]][mit]
+
 Installation
 ----------------------------------------------------------------
 ```
@@ -19,3 +22,12 @@ const sharpCtx = await sharpBmp('favicon.ico', mime);
 
 console.log(await sharpCtx.metadata());
 ```
+
+License
+----------------------------------------------------------------
+[MIT](LICENSE)
+
+[mit]:            http://opensource.org/licenses/MIT
+[mit-badge]:      https://img.shields.io/badge/license-MIT-444444.svg?style=flat-square
+[npm-link]:       https://www.npmjs.com/package/@misskey-dev/sharp-read-bmp
+[npm-badge]:      https://img.shields.io/npm/v/@misskey-dev/sharp-read-bmp.svg?style=flat-square