Rust vault secret retriever
Example
```rust use coult::{Config, Vault}; use serde::Deserialize;
struct Secret { password: String, }
async fn main() {
tracingsubscriber::fmt::init();
let config = Config::new(
"http".tostring(), # Vault Http Protocol http/https
"127.0.0.1".tostring(), # Vault Host
8200, # Port
"config/path".tostring(), # Secret Path
"vault-plaintext-root-tokenzqwe".tostring(), # Vault Token
);
let vault = Vault::new(config).await.unwrap();
let data = vault.getsecret::
```