Don't show reply form unless logged in

lib/clacks_web/templates/frontend/status.html.eex

@@ -1,5 +1,6 @@
 <%= render "_status.html", conn: @conn, author: @author, status: @status, note: @status.data["object"] %>
 
+<%= unless is_nil(@current_user) do %>
   <hr>
 
   <%= form_tag Routes.frontend_path(@conn, :post_status), method: :post, class: "compose-status" do %>
@@ -8,3 +9,4 @@
     <%= submit "Post" %>
     <hr>
   <% end %>
+<% end %>