Added readme.

README.md

@@ -0,0 +1,26 @@
+Simple timing application for text terminals. Helper for preparing tea,
+coffee, pasta etc.
+
+Single large up-counting clock with optional alarm times. Alarm times may
+be given as command line arguments, read from stdin or entered interactively.
+
+
+    USAGE: kitchentimer [-h|-v] [-e|--exec COMMAND] [-p] [-q] [ALARM[/LABEL]]
+
+    PARAMETERS:
+      [ALARM TIME[/LABEL]]  Any number of alarm times (HH:MM:SS) with optional
+                            label.
+
+    OPTIONS:
+      -h, --help            Show this help.
+      -v, --version         Show version information.
+      -e, --exec [COMMAND]  Execute COMMAND on alarm. Occurrences of {t} will
+                            be replaced by the alarm time in (HH:)MM:SS format.
+                            Occurrences of {l} by alarm label.
+      -p, --plain           Use simpler block chars to draw the clock.
+      -f, --fancy           Make use of less common unicode characters.
+      -q, --quit            Quit program after last alarm.
+
+    SIGNALS: <SIGUSR1> Reset clock.
+             <SIGUSR2> Pause or un-pause clock.
+