update config template to include theme settings

Author: cjzamora

src/template/config/settings.php

@@ -7,5 +7,7 @@
     'i18n' => 'en_US',
     'name' => 'Custom Project',
     'server_timezone' => 'GMT',
-    'log_path' => 'log'
+    'log_path' => 'log',
+    'theme_color' => 'theme-default',
+    'theme_layout' => 'theme-left'
 ];