Add missing dependencies

Author: wooorm

package.json

@@ -35,7 +35,9 @@
   ],
   "dependencies": {
     "@types/hast": "^2.0.0",
+    "comma-separated-tokens": "^2.0.0",
     "property-information": "^6.0.0",
+    "space-separated-tokens": "^2.0.0",
     "web-namespaces": "^2.0.0",
     "zwitch": "^2.0.0"
   },