feat(nextjs): add composePlugins util when using multiple plugins

[jaysoo]

This PR adds a composePlugins function to @nrwl/next, which makes it easier when using multiple Next.js plugins together with Nx.

// next.config.js

const plugins = [
  // Add as many plugins here
  withMDX,
  withNx
  // ...
];

// The composed function will know how to handle normal plugins and plugins that return an async function (e.g. `withNx`).
module.exports = composePlugins(...plugins)({
  // normal next.js config
});

Also generates apps with plugins array and composePlugins function so it's obvious to users how they can add more plugins.

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Closes #16278

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Name	Status	Preview	Comments	Updated (UTC)
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✅ Successfully ran 8 targets

• nx affected -t e2e-macos --parallel=1 --exclude=e2e-detox
• nx affected --target=e2e --base=4aa8fe08cf1c085e4820bbeb27d638fd9f41711b --head=c1c3c34052dc3d8d92e36a9e44addd219d67b8e4 --parallel=1
• nx affected --target=test --base=4aa8fe08cf1c085e4820bbeb27d638fd9f41711b --head=c1c3c34052dc3d8d92e36a9e44addd219d67b8e4 --parallel=1
• nx run-many -t check-imports check-commit check-lock-files depcheck --parallel=1 --no-dte
• nx affected --target=build --base=4aa8fe08cf1c085e4820bbeb27d638fd9f41711b --head=c1c3c34052dc3d8d92e36a9e44addd219d67b8e4 --parallel=3
• nx affected --target=lint --base=4aa8fe08cf1c085e4820bbeb27d638fd9f41711b --head=c1c3c34052dc3d8d92e36a9e44addd219d67b8e4 --parallel=3
• nx-cloud record -- nx format:check --base=4aa8fe08cf1c085e4820bbeb27d638fd9f41711b --head=c1c3c34052dc3d8d92e36a9e44addd219d67b8e4
• nx documentation --no-dte

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[burakkgunduzz]

Great addition @jaysoo thanks. What is the proper way to add smt like with sentry that also accepts second arg like sentryWebpackPluginOptions?

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