new wiki page

<%= form_with scope: :node, url: nodes_path, local: true do |form| %>

<%= form.label :title %>
<%= form.text_field :title %>

<%= form.label :content %>
<%= form.text_area :content %>

<%= form.collection_select :parent, @nodes, :id, :title, include_blank: true %>

<%= form.submit %>

<% end %>