AWS Lambda Adapter

[pi0]

Describe the feature

Although this one won't be magical with export conditions, we can use srvx/lambda for lambda adapter interfaces.

(partially implemented in nitro, backporting soon: https://github.com/nitrojs/nitro/blob/v3/src/presets/aws-lambda/runtime/_utils.ts)

Additional information

• Would you be willing to help implement this feature?