Header info parser for reqwest crate

Examples

```rust

[tokio::main]

async fn main() { let headerdata = r##" GET /api/v1/crates?page=1&perpage=10&q={} HTTP/2 Host: crates.io User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.5249.119 Safari/537.36 Referer: https://crates.io/search?q=doe Sec-Fetch-Site: same-origin Sec-Fetch-Mode: cors Sec-Fetch-Dest: empty "##.format(name); let info = reqwestheader::parsetoreqwestheader(&headerdata).unwrap(); let cilent = reqwest::Client::new(); let response = cilent .get(info.url) .headers(info.header) .send() .await .unwrap(); let test = response.text().await.unwrap().tostring(); } ```