Add NPM badge (#21)

Author: natemoo-re

.changeset/rude-socks-cheer.md

@@ -0,0 +1,5 @@
+---
+"astro-remote": patch
+---
+
+Updates the README to include a link to NPM

packages/astro-remote/README.md

@@ -1,5 +1,8 @@
 # Astro Remote
 
+[![NPM Version](https://img.shields.io/npm/v/astro-remote)](https://npm.im/astro-remote)
+
+
 Render remote HTML or Markdown content in Astro with full control over the output.
 
 Powered by [`ultrahtml`](https://github.com/natemoo-re/ultrahtml) and [`marked`](https://github.com/markedjs/marked).
@@ -179,4 +182,4 @@ const content = await fetch('http://my-site.com/api/v1/post').then(res => res.te
 ---
 
 <Markdown content={content} marked={{ extensions: [ markedAlert() ] }} />
-```
+```