Add part9

intro/part9/src/Page/NotFound.elm

@@ -0,0 +1,21 @@
+module Page.NotFound exposing (view)
+
+import Asset
+import Html exposing (Html, div, h1, img, main_, text)
+import Html.Attributes exposing (alt, class, id, src, tabindex)
+
+
+
+-- VIEW
+
+
+view : { title : String, content : Html msg }
+view =
+    { title = "Page Not Found"
+    , content =
+        main_ [ id "content", class "container", tabindex -1 ]
+            [ h1 [] [ text "Not Found" ]
+            , div [ class "row" ]
+                [ img [ Asset.src Asset.error ] [] ]
+            ]
+    }