Update package.json

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "rehype-prism-plus",
+  "name": "@egonr/rehype-prism-plus",
   "version": "2.0.0",
   "description": "rehype plugin to highlight code blocks in HTML with Prism (via refractor) with line highlighting and line numbers",
   "source": "index.js",