Updates May/June 2022 (done)

[tima101]

• codebase - last chapter: functional page components

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• fix in ReadChapter page, 0c193dd
• font flash, 2669e9d
• fix in withAuth for 9-end: 61009f7
• propagate fix in withAuth
• codebases - upgrade next, passport, @mui and related
• book content - upgrade next, passport, @mui and related
• create functional version of codebase, 9-end-functional

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• content update in the book

[klyburke]

For those who recently bought Builder Book or are planning to buy it soon - note that as part of our May update, we will upgrade Material-UI and Next.js from the beginning of the book. We currently upgrade those packages at the end of the book.

This will only impact syntax in some of your files. It will not change the concepts you learn, so please don't hesitate to start reading :)