add daily permalinks

src/main.rs

@@ -491,8 +491,10 @@ fn output_html(
                     p class="past"{ s { (date.format("%-d %A")) } }
                 });
             } else {
+                let date_s = date.format("%-d %A");
+                let id = date.format("%F");
                 html_list.push(maud::html! {
-                    h3 { (date.format("%-d %A")) }
+                    h3 id=(id) { (date_s) " " a href=(format!("#{id}")) title=(format!("Permalink to {date_s}")) {"🔗"} }
                     hr{}
                 });
             }