Upcoming updates May 2021 (Done)

[tima101]

• [x] builderbook: self-hosted fonts: using font from public folder for SSR page, using font from Cloudfront for CSR page (update Chapter 9)
• [x] builderbook icons from @material-ui/icons (update Chapter 9)
• [x] builderbook: update theme; styles for body, a, Login page, Button, Header
• [x] builderbook: next v10, environmental variables: universal and server-only (update Chapter 9)

---

• [x] update book/9-end codebase
• [x] update book's content

---

---

November 2021:

• review screenshots for MongoDB Atlas
• user definition in withAuth
• gtag.event example
• getServerSideProps and getStaticProps

[klyburke]

@tima101 I tested the main app in builderbook/builderbook folder. Features work as expected.