Merge branch '08-Book-Page' into master

Author: Alex Patterson

pages/_app.tsx

@@ -1,9 +1,9 @@
-import CssBaseline from "@material-ui/core/CssBaseline";
-import Grid from "@material-ui/core/Grid";
-import { ThemeProvider } from "@material-ui/styles";
-import App from "next/app";
-import Head from "next/head";
-import React from "react";
+import CssBaseline from '@material-ui/core/CssBaseline';
+import Grid from '@material-ui/core/Grid';
+import { ThemeProvider } from '@material-ui/styles';
+import App from 'next/app';
+import Head from 'next/head';
+import React from 'react';
 
 import MenuAppBar from "../components/MenuAppBar";
 import theme from "../themes/theme";