Client: lint config

mpwo_client/src/components/App.css

@@ -0,0 +1,28 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  animation: App-logo-spin infinite 20s linear;
+  height: 80px;
+}
+
+.App-header {
+  background-color: #222;
+  height: 150px;
+  padding: 20px;
+  color: white;
+}
+
+.App-title {
+  font-size: 1.5em;
+}
+
+.App-intro {
+  font-size: large;
+}
+
+@keyframes App-logo-spin {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}

mpwo_client/src/components/App.jsx

@@ -0,0 +1,27 @@
+import React from 'react'
+
+import logo from '../logo.svg'
+import './App.css'
+
+class App extends React.Component {
+  constructor(props) {
+    super(props)
+    this.props = props
+  }
+
+  render() {
+    return (
+      <div className="App">
+        <header className="App-header">
+          <img src={logo} className="App-logo" alt="logo" />
+          <h1 className="App-title">Welcome to React</h1>
+        </header>
+        <p className="App-intro">
+          To get started, edit <code>src/App.js</code> and save to reload.
+        </p>
+      </div>
+    )
+  }
+}
+
+export default App

mpwo_client/src/components/App.test.jsx

@@ -0,0 +1,9 @@
+import React from 'react'
+import ReactDOM from 'react-dom'
+
+import App from './App'
+
+it('renders without crashing', () => {
+  const div = document.createElement('div')
+  ReactDOM.render(<App />, div)
+})