Add announcement admin and view template

app/views/announcements/edit.html.erb

@@ -1,22 +0,0 @@
-<h1>Editing announcement</h1>
-
-<% form_for(@announcement) do |f| %>
-  <%= f.error_messages %>
-
-  <p>
-    <%= f.label :title, "Title" %>
-    <%= f.text_field :title %>
-  </p>
-  
-  <p>
-    <%= f.label :content, "Content" %>
-    <%= f.text_area :content %>
-  </p>
-  
-  <p>
-    <%= f.submit 'Update' %>
-  </p>
-<% end %>
-
-<%= link_to 'Show', @announcement %> |
-<%= link_to 'Back', announcements_path %>

app/views/announcements/index.html.erb

@@ -1,18 +0,0 @@
-<h1>Listing announcements</h1>
-
-<table>
-  <tr>
-  </tr>
-
-<% @announcements.each do |announcement| %>
-  <tr>
-    <td><%= link_to 'Show', announcement %></td>
-    <td><%= link_to 'Edit', edit_announcement_path(announcement) %></td>
-    <td><%= link_to 'Destroy', announcement, :confirm => 'Are you sure?', :method => :delete %></td>
-  </tr>
-<% end %>
-</table>
-
-<br />
-
-<%= link_to 'New announcement', new_announcement_path %>

app/views/announcements/new.html.erb

@@ -1,21 +0,0 @@
-<h1>New announcement</h1>
-
-<% form_for(@announcement) do |f| %>
-  <%= f.error_messages %>
-
-  <p>
-    <%= f.label :title, "Title" %>
-    <%= f.text_field :title %>
-  </p>
-  
-  <p>
-    <%= f.label :content, "Content" %>
-    <%= f.text_area :content %>
-  </p>
-  
-  <p>
-    <%= f.submit 'Create' %>
-  </p>
-<% end %>
-
-<%= link_to 'Back', announcements_path %>