Zenroom/Longfellow-zk SDK

[andrea-dintino]

We should create an SDK (with focus on Longfellow-zk) with simple 1 liner examples for the following languages

Javascript
Rust
Python
Java
C/C++
Go
Kotlin (needs bindings)
Swift (needs bindings)

@puria

[jaromil]

We have already most of this, but need examples for kotlin and swift bindings.