Create migration file

db/migrate/20190817094930_create_booth_types.rb

@@ -0,0 +1,12 @@
+class CreateBoothTypes < ActiveRecord::Migration[5.2]
+  def change
+    create_table :booth_types do |t|
+      t.references :program
+      t.string :title, null: false
+      t.string :description
+
+      t.timestamps
+    end
+    add_reference :booths, :booth_type, index: true
+  end
+end