Add market.yml data to the seed file

Author: MohamedZainFayed

Diff for: db/seeds.rb

@@ -27,3 +27,7 @@
   bar_member.tag_list.add 'hero'
   bar_member.save
 end
+
+Market.create(id: "btccny", ask_unit: "btc", bid_unit: "cny", ask_fee: 0, bid_fee: 0, ask_precision: 4, bid_precision: 2, position: 1, visible: true)
+Market.create(id: "ethcny", ask_unit: "eth", bid_unit: "cny", ask_fee: 0, bid_fee: 0, ask_precision: 4, bid_precision: 2, position: 1, visible: true)
+Market.create(id: "ethbtc", ask_unit: "eth", bid_unit: "btc", ask_fee: 0, bid_fee: 0, ask_precision: 4, bid_precision: 4, position: 1, visible: true)