plans page can create list and task

app/controllers/plans_controller.rb

@@ -10,6 +10,8 @@ class PlansController < ApplicationController
   # GET /plans/1
   # GET /plans/1.json
   def show
+    @list = List.new
+    @task = Task.new
   end
 
   # GET /plans/new

app/views/plans/show.html.haml

@@ -5,3 +5,8 @@
         = @plan.title
       %span.plan_description
         = @plan.description
+  .row
+    .col-md-3
+      = render 'lists/form'
+    .col-md-3
+      = render 'tasks/form'