fix: add server:devHandler hook for webpack

[wattanx]

🔗 Linked issue

#607, #620

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

I will port the devMiddleware settings from Nuxt 3.
https://github.com/nuxt/nuxt/blob/26c653128201526168172da2892aea052c486d1e/packages/webpack/src/webpack.ts#L109-L114

How to confirm

#607
Please set it as follows:

// nuxt.config.ts

export default defineNuxtConfig({
  ssr: true,
  bridge: {
    nitro: true
  }
})

#620
Please set it as follows:

// nuxt.config.ts

export default defineNuxtConfig({
  ssr: false,
  bridge: {
    nitro: true
  }
})

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[danielroe]

Thank you ❤️