utils upgrade

utils/.local/bin/timer

@@ -1,6 +1,22 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+if [[ "$1" == "-h" || "$1" == "--help" ]]; then
+    cat <<EOF
+Usage: $(basename "$0") [-h] <seconds>
+
+Set a timer with desktop notification.
+
+Options:
+    -h, --help    Show this help message
+
+Arguments:
+    seconds       Timer duration in seconds
+
+EOF
+    exit 0
+fi
+
 sleep "$1"
 notify-send 'Timer complete!' \
     -u normal \