chore(package): upgrade react-dom-core@0.0.4

Fixes install warning:

```
html-react-parser > react-dom-core@0.0.3" has unmet peer dependency "fbjs@*".
html-react-parser > react-dom-core@0.0.3" has unmet peer dependency "object-assign@*".
```

Closes remarkablemark/react-dom-core#3

Author: remarkablemark

package.json

@@ -34,7 +34,7 @@
   ],
   "dependencies": {
     "html-dom-parser": "0.1.3",
-    "react-dom-core": "0.0.3",
+    "react-dom-core": "0.0.4",
     "style-to-object": "0.2.2"
   },
   "devDependencies": {