Rewrite use() docs (#8305)

* Claude use docs attempt

* Human updates

* Address review feedback

* Address additional review feedback

* Split Pitfall and DeepDive, clarify recreation examples

* Reorder DeepDive: prose before correct example

* Add Reading a Promise from context section

* Address review feedback and align DeepDive with RSC docs style

* Drop inaccurate claim about blocking page rendering

* Address feedback

* Address feedback: clarify use() accepts Promise or context

* Apply suggestion from @rickhanlonii

* Update src/content/reference/react/use.md

Co-authored-by: Ricky <rickhanlonii@gmail.com>

* [use] Add Pitfall on refetching Promises from context in RSCs

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Co-authored-by: Aurora Scharff <aurora.sofie@gmail.com>
Co-authored-by: Aurora Scharff <66901228+aurorascharff@users.noreply.github.com>

Author: rickhanlonii