add get and post for adding assistant

app.rb

@@ -22,5 +22,21 @@ class App < Roda
       # renders index.erb inside layout.erb
       view :index
     end
+
+    r.on 'assistants' do
+      r.get 'new' do
+        @page_title = 'Create New Assistant'
+        @assistant = Assistant.new
+        view :edit
+      end
+      r.post do
+        @assistant = Assistant.new(r.params)
+        if @assistant.save
+          r.redirect '/' # change to just r.redirect when get a host.org/assistants page up
+        else
+          r.halt(404)
+        end
+      end
+    end
   end
 end