<div>
Добавить задачу
  <%= form_for :todo, url: todos_create_path, method: 'post', html: {id: "todo_form"} do |f| %>
  <%= f.label :text, "Текст" %>
  <%= f.text_field :text %>
  <%= f.select(:project_id, Project.options_for_select)%>
  <%= f.select(:isCompleted, Todo.options_for_select)%>
  <%= link_to 'ok', todos_create_path, id: 'submit' %>
  <% end %>
</div>