Add "mo" from "https://git.knownelement.com/ExternalVendorCode/mo.git@master"

git-vendor-name: mo
git-vendor-dir: vendor/git.knownelement.com/ExternalVendorCode/mo
git-vendor-repository: https://git.knownelement.com/ExternalVendorCode/mo.git
git-vendor-ref: master

vendor/git.knownelement.com/ExternalVendorCode/mo/demo/embedded-template

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+#
+# This embeds a template in the script without using strange `cat` syntax.
+# shellcheck disable=SC1083 disable=SC1010 disable=SC1054 disable=SC1073 disable=SC1072 disable=SC1056 disable=SC1009
+
+cd "$(dirname "$0")" # Go to the script's directory
+
+export NAME="Tyler"
+export VEHICLE="Ford Explorer"
+export OVERDUE_LENGTH="2 months"
+export OPTIONS=(
+    "Call a service representative at 1-800-000-0000 to discuss payment options"
+    "Return the vehicle immediately and pay a fine of 1 million dollars"
+)
+. ../mo
+sed '0,/^# END/ d' "$(basename "$0")" | mo
+exit
+
+# END
+Attention {{NAME}},
+
+You need to pay for the {{VEHICLE}} you are leasing from us.
+It has been {{OVERDUE_LENGTH}} since your last payment.
+At this point you must do one of the following:
+
+{{#OPTIONS}}
+ * {{.}}
+{{/OPTIONS}}