Link logged in user profile on homepage

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

@@ -1,5 +1,7 @@
 <h1>Home</h1>
-<p>Logged in as <%= @user.username %></p>
+<p>
+Logged in as <a href="<%= Routes.actor_path(@conn, :get, @user.username) %>"><%= @user.username %></a>
+</p>
 
 <%= form_tag Routes.frontend_path(@conn, :post_status), method: :post do %>
   <textarea id="content" name="content" cols="30" rows="10"></textarea>