[docs][recipes] rearrange and add new recipes on Pages and Layouts (#15620)
[docs][recipes] rearrange and add new recipes on Pages and Layouts (#15620)

* fix: restructure recipes

* add new recipes for Pages and Layouts

* chore: format

* fixing recipes, updating to use async/await

* move working with starters content to correct section

* add working with themes recipe

* fix numbering of recipes

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