generate aqua alias from rust alias

[dzmitry-lahoda]

/// persistent id outliving services, but represent same entity
#[marine]
pub type ReplicaSetId = String;

will give

--- persistent id outliving services, but represent same entity
aqua ReplicaSetId : string

[dzmitry-lahoda]

with lack of ide, it will give help and hints and no need to type manually in aqua stuff suggested by backend(rust developer)

[mikevoronov]

It depends on a support of type aliases in marine-rs-sdk fluencelabs/marine-rs-sdk#73.