Organise with layouts

app/views/layouts/application.html.slim

@@ -1,22 +1,7 @@
 doctype html
 html
-  head
-    title Puzzle Scoreboard
-    meta name="viewport" content="width=device-width,initial-scale=1"
-    meta name="apple-mobile-web-app-capable" content="yes"
-    meta name="mobile-web-app-capable" content="yes"
-    = csrf_meta_tags
-    = csp_meta_tag 
-
-    = yield :head
-
-    link rel="icon" href="/icon.png" type="image/png"
-    link rel="icon" href="/icon.svg" type="image/svg+xml"
-    link rel="apple-touch-icon" href="/icon.png"
-
-    = stylesheet_link_tag :app, "data-turbo-track": "reload"
-    = javascript_importmap_tags
+  = render "layouts/header"
 
   body
     .container.mt-5
-      = yield
+      = yield