logs: order existing logs by date

src/scripts/logtail.sh

@@ -17,4 +17,7 @@ while true; do
     esac
 done
 
-exec tail ${follow} --lines=${lines} "$@"
+# first sort the existing log lines
+tail --quiet --lines=${lines} -- "$@"  | sort -k1
+
+exec tail ${follow} --lines=0 "$@"