Get some tax info for WA state

Simple lib for getting tax data for addrs in WA State.

First goal is to be simple, with reasonable defaults.

Example

See the example program cargo run --example get

This is what it looks like in code ```rust // .. in an async environment..

match wataxrate::get("400 Broad St", "Seattle", "98109").await { Ok(taxinfo) => println!("Tax rate is {}", taxinfo.rate). Err(e) => eprintln!("Error getting tax info: {:?}", e), } ```

Gotchas

• Requires tokio!!