Add `bin/rucal`

diff --git a/bin/rucal b/bin/rucal
new file mode 100755 (executable)
index 0000000..9269dde
--- /dev/null
+++ b/bin/rucal
@@ -0,0 +1,2 @@
+#! /bin/sh
+LC_TIME=$LC_CTYPE exec ncal "$@"