add creature and base rp_world

db/migrate/20210602192708_create_wow_creature_families.rb

@@ -0,0 +1,13 @@
+class CreateWowCreatureFamilies < ActiveRecord::Migration[6.1]
+  def change
+    create_table :wow_creature_families do |t|
+      t.integer :creature_family_id
+      t.jsonb :name
+      t.integer :media_id
+
+      t.timestamps
+    end
+
+    add_index :wow_creature_families, :creature_family_id, unique: true
+  end
+end