fix: add mime-type

Author: frankpagan

package.json

@@ -30,6 +30,7 @@
     "@cocreate/hosting": "^1.6.12",
     "extract-comments": "^1.1.0",
     "glob": "^7.1.6",
+    "mime-types": "^2.1.35",
     "parse-html-comments": "^1.3.1"
   }
 }