Add Google Calendar API sample.
diff --git a/samples/calendar_api/README b/samples/calendar_api/README
new file mode 100644
index 0000000..9376b6b
--- /dev/null
+++ b/samples/calendar_api/README
@@ -0,0 +1,4 @@
+Loop over all a user's calendars, printing their titles.
+
+api: calendar
+keywords: cmdline pagination