readded udpated scripts directory

scripts/source_functions.sh

@@ -0,0 +1,9 @@
+# This file is meant to be exported, or otherwise known in bash as "sourced" in another file.
+# We can simply define a function here called check_root() that when invoked will check to see if the file is being executed as root.
+
+check_root() {
+    if [[ $EUID -ne 0 ]]; then
+        echo "This script must be run as root"
+        exit 1
+    fi
+}