Lightweight SDK for building AssemblyScript HTTP components

[radu-matei]

ref https://github.com/fermyon/spin-kitchensink/blob/main/assemblyscript-outbound-http/index.ts

[radu-matei]

We haven't had traction on this request, closing for now. We can reconsider this in the future if people are interested in an SDK for AssemblyScript — note that you can still build a Wagi component in AssemblyScript.