include md in prettier

Author: brandyscarney

package.json

@@ -15,7 +15,7 @@
     "lint": "npm run prettier -- --write --cache",
     "serve": "docusaurus serve",
     "prestart": "npm run generate-markdown",
-    "prettier": "prettier \"./**/*.{html,ts,tsx,js,jsx}\"",
+    "prettier": "prettier \"./**/*.{html,ts,tsx,js,jsx,md}\"",
     "start": "docusaurus start",
     "swizzle": "docusaurus swizzle --danger"
   },