docs(solid-query): Add Astro Example

[ardeora]

Adds SSR example using Solid Query with client navigation after SSR

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| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **query** | ⬜️ Ignored ([Inspect](https://vercel.com/tanstack/query/9J6qjomwypUZihsKkXDz54kv73Yq)) | [Visit Preview](https://query-git-fork-ardeora-add-solid-astro-example-tanstack.vercel.app) | | Apr 17, 2024 4:30am |

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@tanstack/query-example-angular-basic	Configuration
@tanstack/query-example-react-basic-typescript	Configuration
@tanstack/query-example-solid-basic-typescript	Configuration
@tanstack/query-example-svelte-basic	Configuration
@tanstack/query-example-vue-basic	Configuration