Add instructions to setup page

References #22

lib/dream_up_web/live/setup_live.html.leex

@@ -21,6 +21,9 @@
     <% end %>
   <% end %>
 </h2>
+<h2 class="text-blue-900 text-3xl font-bold mb-4">
+The goal of this game is that your team will DreamUp a solution for the OTHER team. Each team will pick the design challenge that they want the other team to work on FOR them. Once each team has picked the design challenge, they will annouce their assignment for the other team and answer the following questions: Why did your team choose this challenge? Have one or two members of your team share a story from their life about how this challenge affects them.
+</h2>
 <div id="selected-cards" class=
   <%= if @is_single_team_game do %>
     "mb-4"