Fix packaging

Author: mstewartgallus

IndexApp/package.json

@@ -1,6 +1,7 @@
 {
     "name": "words-to-kick-your-teeth-out",
     "version": "1.0.0",
+    "license": "",
     "private": true,
     "description": "Words to kick your teeth out",
     "author": "Molly Stewart-Gallus",
@@ -29,6 +30,7 @@
         "pagefind": "^0.12.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
+        "rehype-mdx-code-props": "^2.0.0",
         "rehype-slug": "^5.1.0",
         "remark-definition-list": "^1.2.0",
         "remark-frontmatter": "^4.0.1",