add geo info and do refractor on workers

db/migrate/20210429160323_create_wow_geo_maps.rb

@@ -0,0 +1,12 @@
+class CreateWowGeoMaps < ActiveRecord::Migration[6.1]
+  def change
+    create_table :wow_geo_maps do |t|
+      t.integer :map_id
+      t.jsonb :name
+
+      t.timestamps
+    end
+
+    add_index :wow_geo_maps, :map_id, unique: true
+  end
+end