docs: document Next.js Wagmi SSR setup

[Xiaoteng152]

Closes #5678

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🦋 Changeset detected

Latest commit: 565f723

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 26 packages

Name	Type
@reown/appkit-adapter-wagmi	Patch
@reown/appkit-cdn	Patch
@reown/appkit	Patch
@reown/appkit-adapter-bitcoin	Patch
@reown/appkit-adapter-ethers	Patch
@reown/appkit-adapter-ethers5	Patch
@reown/appkit-adapter-solana	Patch
@reown/appkit-adapter-ton	Patch
@reown/appkit-adapter-tron	Patch
@reown/appkit-common	Patch
@reown/appkit-universal-connector	Patch
@reown/appkit-ui	Patch
@reown/appkit-controllers	Patch
@reown/appkit-core	Patch
@reown/appkit-utils	Patch
@reown/appkit-scaffold-ui	Patch
@reown/appkit-polyfills	Patch
@reown/appkit-wallet	Patch
@reown/appkit-siwe	Patch
@reown/appkit-siwx	Patch
@reown/appkit-wallet-button	Patch
@reown/appkit-experimental	Patch
@reown/appkit-testing	Patch
@reown/appkit-cli	Patch
@reown/appkit-pay	Patch
@reown/appkit-codemod	Patch

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[Xiaoteng152]

Documents the Next.js App Router SSR setup for the Wagmi adapter example and clarifies optional connector dependencies for Next.js 16 bundlers.

Closes #5678

[Xiaoteng152]

I have read the CTA Document and I hereby sign the CTA