feat(utils): add Helper module for displaying command help

lib/SecurityGate/Utils/Helper.pm

@@ -0,0 +1,22 @@
+package SecurityGate::Utils::Helper {
+	use strict;
+	use warnings;
+
+	sub new {
+		return "
+            \rSecurity Gate v0.0.3
+            \rCore Commands
+            \r==============
+            \r\tCommand          Description
+            \r\t-------          -----------
+            \r\t-t, --token      GitHub token
+            \r\t-r, --repo       GitHub repository
+            \r\t-c, --critical   Critical severity limit
+            \r\t-h, --high       High severity limit
+            \r\t-m, --medium     Medium severity limit
+            \r\t-l, --low        Low severity limit
+            \n\n";
+	}
+}
+
+1;