Ramon Ahnert

According to the [Yarn documentation](https://yarnpkg.com/en/docs/cli/global), `global` must immediately follow `yarn`. So the command must be `yarn global add bundle-analyzer`.

The section [Generate Blocks with WP-CLI ](https://developer.wordpress.org/block-editor/tutorials/block-tutorial/generate-blocks-with-wp-cli/) at Block Editor Handbook recommends do not use WP-CLI to generate block scaffolding. Instead, it's recommended to use the official script to generate...

On chapter 12 page 152, Logo is used but wasn't imported. 

On chapter 12 page 150, form element is closed by a div element. 

On chapter 6 page 68/69, divs.columns has two is-*-tablet class:  Shouldn't be "is-12-mobile" instead of "is-12-tablet is-6-tablet" or maybe just "is-6-tablet is-4-desktop? new.customer.html: - https://github.com/troymott/bulma-book-code/blob/95ac3dfd7d291760f7b71aad27f29409ddbceebc/html/new-customer.html#L160 -...

On chapter 5 page 62, the button label of edit-book.html file is "Create book" instead of "Save changes" (how suggested on page 59). 

On chapter 4 page 50, the div element close is missing.  Paragraph element is used instead.

**Is your enhancement related to a problem? Please describe.** **Describe the solution you'd like** Some unit tests are testing different cases in one method. For example, [testGetDocuments](https://github.com/10up/ElasticPress/blob/develop/tests/php/TestElasticsearch.php#L61) tests retrieving documents,...

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This PR fixes the tag `@return` since the return of the function `prefix_data_arg_sanitize_callback` is a string: `return sanitize_text_field( $value );`