add react web project

web/src/App.js

@@ -0,0 +1,36 @@
+import React from 'react'
+import CssBaseline from '@material-ui/core/CssBaseline'
+import Appbar from './components/Appbar.js'
+import { createMuiTheme, MuiThemeProvider } from '@material-ui/core'
+
+const baseTheme = createMuiTheme({
+    overrides: {
+        MuiCssBaseline: {
+            '@global': {
+                html: {
+                    WebkitFontSmoothing: 'auto',
+                },
+            },
+        },
+    },
+    palette: {
+        primary: {
+            main: '#3fb57a',
+        },
+        secondary: {
+            main: '#FFA724',
+        },
+        tonalOffset: 0.2,
+    },
+})
+
+export default function App() {
+    return (
+        <React.Fragment>
+            <MuiThemeProvider theme={baseTheme}>
+                <CssBaseline />
+                <Appbar />
+            </MuiThemeProvider>
+        </React.Fragment>
+    )
+}