Added default language pack (en-gb)

catalog/extension/total/reward.php

@@ -0,0 +1,16 @@
+<?php
+// Heading
+$_['heading_title'] = 'Use Reward Points (Available %s)';
+
+// Text
+$_['text_reward']   = 'Reward Points (%s)';
+$_['text_order_id'] = 'Order ID: #%s';
+$_['text_success']  = 'Success: Your reward points discount has been applied!';
+
+// Entry
+$_['entry_reward']  = 'Points to use (Max %s)';
+
+// Error
+$_['error_reward']  = 'Warning: Please enter the amount of reward points to use!';
+$_['error_points']  = 'Warning: You don\'t have %s reward points!';
+$_['error_maximum'] = 'Warning: The maximum number of points that can be applied is %s!';