add Factorio world gen settings

data/factorio/mod_template/locale/en/locale.cfg

@@ -1,3 +1,8 @@
+[map-gen-preset-name]
+archipelago=Archipelago
+
+[map-gen-preset-description]
+archipelago=World preset created by the Archipelago Randomizer. World may or may not contain actual archipelagos.
 
 [technology-name]
 {% for original_tech_name, item_name, receiving_player, advancement in locations %}