fix : Add db:create command in init_app

Author: yummygyudon

config/initializers/init_app.rb

@@ -3,7 +3,10 @@
 if Rails.env.development?
   Rails.application.config.after_initialize do
     Rails.application.load_tasks
-    Rake::Task["db:setup"].invoke
+    Rake::Task["db:create"].invoke
+    unless ActiveRecord::Base.connection.data_source_exists?("schema_migrations")
+      Rake::Task["db:setup"].invoke
+    end
     Rake::Task["jwt:generate_for_user"].invoke
     Rake::Task["jwt:generate_for_admin"].invoke
   end