Artifact enclave:examples-go

This is an example artifact containing the package enclave:examples-go

wit/examples-go.wit defines the package.

1. Run make package to create enclave:examples-go.wasm from the wit.
2. Run make generate to generate the go boilerplate from the enclave-examples-go.wasm.
3. main.go implements the exported function.
4. Run make compile to compile examples-go.wasm using tinygo.