Function covid19db::dateutil::dateutc_to_jd

pub fn dateutc_to_jd(dateutc: &Date<Utc>) -> JulianDay

Convert a Date<Utc> to a JulianDay

use covid19db::dateutil::*;
use chrono::prelude::*;
use julianday::JulianDay;

assert_eq!(dateutc_to_jd(&Utc.ymd(2015, 3, 14)), JulianDay::new(2457096));