5331: Add save nb text to kits

Author: napster235

app/views/kits/_form.html.erb

@@ -33,10 +33,12 @@
 
             </div>
             <div class="card-footer">
+              <p><b>NB: You will not be able to change the composition of the kit once saved. Partner visibility and name can be changed via the kit's item.</b></p>
               <%= submit_button %>
             </div>
           </div>
         </div>
       </div>
+    </div>
   </section>
 <% end %>