docs(RN): update code blocks to ease copy feature

[kud]

Proposed changes

It is better to have two blocks to facilitate the copy button feature.

Merge timing

Related issues (optional)

[kud]

Also, one question, is @segment/sovran-react-native still mandatory? It seems that this project is deprecated now.

[stayseesong]

@kud thanks for submitting this PR! @segment/sovran-react-native isn't mandatory, you can use your own storage solution if you want, but it’s strongly recommended to use it. It's also not deprecated, the repo just moved to here: https://github.com/segmentio/analytics-react-native/tree/master/packages/sovran. I've updated the docs file so that it directs to the correct link.

I've also added in "or" in between the code blocks, as it's not clear to users that they can install in 1 of 2 ways. what do you think?

[kud]

Oh, I see. Thanks!

For some reason, I ended up on the archived GitHub repository. Alright, thanks for the explanation. Is it similar to Zustand?

Regarding the code blocks, "or" is a good point indeed! Thanks!

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