Added the build script

build.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Author:       Valentin Popov
+# Email:        info@valentineus.link
+# Date:         2017-11-21
+# Usage:        /bin/sh build.sh
+# Description:  Build the final package for installation in Moodle.
+
+# Updating the Environment
+PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+export PATH="$PATH:/usr/local/scripts"
+
+# Build the package
+cd ..
+mv "./moodle-billingpatch" "./local_billingpatch"
+zip -9 -r "local_billingpatch.zip" "local_billingpatch"  \
+        -x "local_billingpatch/.git*"       \
+        -x "local_billingpatch/.travis.yml" \
+        -x "local_billingpatch/build.sh"
+
+# End of work
+exit 0