feat(svelte-query-persist-client): Svelte implementation of client persistence

[aadito123]

I only learned enough Svelte to write this package so please let me know if there's anything wrong. I migrated the React tests to Svelte and all the tests pass.

Also made changes to the base svelte-query package so that isRestoring is respected.

Only thing missing is the persistence across multiple QueryClients. It is there in the React and Solid implementations because they have reactive wrappers around the QueryClient whereas the Svelte one does not. Not sure if there is a way to make it reactive in this situation without some API changes.

Addresses #5463

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Name	Status	Preview	Comments	Updated (UTC)
query	⬜️ Ignored (Inspect)	Visit Preview		Sep 13, 2023 7:40am

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@tanstack/query-example-react-basic-typescript	Configuration
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@tanstack/query-example-vue-basic	Configuration

[aadito123]

Pushed the formatting fix. The other test that failed was in the react-query package.

Edit: looks like the react-query package is fine and now the error is in the solid-query package.

[aadito123]

hey @lachlancollins, do you think you could take a look at this?

[lachlancollins]

Amazing work, thanks so much for working on this @aadito123 ! I've had a quick look and everything overall seems good, but I'll have a closer look shortly.

[lachlancollins]

Thanks so much for your contribution @aadito123 !

[frederikhors]

Any docs @aadito123? Thank you very much for this!

[aadito123]

@frederikhors Nothing right now but I would be happy to work on them. In the meantime, you can look at the test cases for usage examples.

[frederikhors]

Thanks. I'll try it asap (I'm still on V4 for now).

[aadito123]

@frederikhors Tag me on any issues.