Add timestamps to Topic. Add fields on topic list.

app/controllers/topics_controller.rb

@@ -1,4 +1,5 @@
 class TopicsController < ApplicationController
+  # include CommentableActions
 
   before_action :set_community
 

app/views/topics/_topics.html.erb

@@ -6,6 +6,10 @@
   <% topics.each do |topic| %>
     <div id="<%= dom_id(topic) %>">
       <%= link_to topic.title, community_topic_path(@community, topic) %>
+      <br>
+      <%= topic.author.name %>
+      <br>
+      <%= I18n.l topic.created_at %>
       <% if topic.author == current_user %>
         <%= link_to t("topic.edit"), edit_community_topic_path(@community.id, topic), class: 'button expanded' %>
       <% end %>

app/views/topics/new.html.erb

@@ -1,5 +1,6 @@
 <div class="topic-new row">
   <div class="small-12 medium-9 column">
+    <%= render "shared/back_link" %>
     <h1><%= t("topic.create") %></h1>
 
     <%= render '/topics/form' %>