fix: also show julian date in agenda

Closes: #100

src/output/agenda.rs

@@ -2,6 +2,7 @@
 //
 // SPDX-License-Identifier: MIT
 
+use crate::utils::convertstyle;
 use crate::Context;
 use anstyle::Style;
 
@@ -16,7 +17,13 @@ impl fmt::Display for Agenda<'_> {
  let style = Style::default().bold();
  let mut ret: String = format!("{}Agenda:{}\n", style.render(), style.render_reset());
  for ei in self.ctx.eventinstances.iter() {
- ret += format!("{ei}\n").as_str();
+ let datestr = if self.ctx.opts.julian {
+ format!("{}", ei.date.format("%j"))
+ } else {
+ format!("{}", ei.date)
+ };
+ let style = &convertstyle(ei.style.stylenames.to_vec(), "·");
+ ret += format!("{style} {datestr}: {}\n", ei.event.summary).as_str();
  }
  write!(f, "{}", ret)
  }