Server render the main page

Also, add hashes to asset file names and use the "entry manifest" plugin
in dev to get auto-reloading.

public/react-dom@16.7.0/README.md

@@ -1,54 +0,0 @@
-# `react-dom`
-
-This package serves as the entry point to the DOM and server renderers for React. It is intended to be paired with the generic React package, which is shipped as `react` to npm.
-
-## Installation
-
-```sh
-npm install react react-dom
-```
-
-## Usage
-
-### In the browser
-
-```js
-var React = require('react');
-var ReactDOM = require('react-dom');
-
-class MyComponent extends React.Component {
-  render() {
-    return <div>Hello World</div>;
-  }
-}
-
-ReactDOM.render(<MyComponent />, node);
-```
-
-### On the server
-
-```js
-var React = require('react');
-var ReactDOMServer = require('react-dom/server');
-
-class MyComponent extends React.Component {
-  render() {
-    return <div>Hello World</div>;
-  }
-}
-
-ReactDOMServer.renderToString(<MyComponent />);
-```
-
-## API
-
-### `react-dom`
-
-- `findDOMNode`
-- `render`
-- `unmountComponentAtNode`
-
-### `react-dom/server`
-
-- `renderToString`
-- `renderToStaticMarkup`