jrnl: put modules in its own respective files

programs/jrnl/src/utils.rs

@@ -0,0 +1,15 @@
+use chrono::{DateTime, FixedOffset};
+
+pub fn format_datetime(ts: DateTime<FixedOffset>) -> String {
+    ts.format("%A, %-d. %B %Y %R").to_string()
+}
+
+pub fn format_datetime_padded(ts: DateTime<FixedOffset>) -> String {
+    format!(
+        "{:>9}{}{:<9}{}",
+        ts.format("%A, "),
+        ts.format("%d. "),
+        ts.format("%B"),
+        ts.format(" %Y %R"),
+    )
+}