create waitlist

db/migrate/20200724095001_create_waitlists.rb

@@ -0,0 +1,10 @@
+class CreateWaitlists < ActiveRecord::Migration[5.2]
+  def change
+    create_table :waitlists do |t|
+      t.integer :applicant_id
+      t.integer :reviewer_id
+
+      t.timestamps
+    end
+  end
+end