Add metaprogramming capability

[Verdagon]

Some use cases:

• Annotations (perhaps we can implement these via wrapper functions?)
• Vec<N, T>
• Serialization
• Printing Any others?

[divinusdracodominus]

Including data in bibary rusts include_srr macro for exampke

[Verdagon]

structopt defines some argument parsing for us.

#[derive(Debug, Clone, Serialize, Deserialize, StructOpt)]
#[structopt(name = "fountain")]
pub struct FountainArgs {
    #[structopt(short, long)]
    pub build: bool,
    #[structopt(short, long)]
    pub run: bool,
    ...
}

Not that we have to aim to do it just like they did, but this should be easy to do with vale.

I think the core need here is associating certain data with certain fields.