Low-Cost-MC-Server (Draft)

Dealing with the Cold Start

Response with DEFERRED_CHANNEL_MESSAGE_WITH_SOURCE code first, then later edit using Edit Original Interaction Response (Request some testing/research to confirm whether this work with Aws Lambda, may complicate the project?)
(Adopted) Identifying cold start then send back a response
Use Lambda provisioned-concurrency (Required additional 1.5$/month cost according to AWS price calculator, using 750 hr for the Time for which Provisioned Concurrency is enabled field)