Add safety princibles.

lib/runosaari_web/controllers/page_controller.ex

@@ -1,8 +1,8 @@
 defmodule RunosaariWeb.PageController do
   use RunosaariWeb, :controller
 
-  def covid19(conn, _params) do
-    render(conn, "covid19.html")
+  def safety(conn, _params) do
+    render(conn, "safety.html")
   end
 
   def privacy(conn, _params) do

lib/runosaari_web/controllers/performer_controller.ex

@@ -68,7 +68,7 @@ defmodule RunosaariWeb.PerformerController do
     performer = Registration.get_performer!(id)
 
     case Registration.update_performer(performer, performer_params) do
-      {:ok, performer} ->
+      {:ok, _performer} ->
         conn
         |> put_flash(:info, "Esiintyjän tiedot päivitetty.")
         |> redirect(to: Routes.admin_performer_path(conn, :admin))