update inbox list

vendor/scrivo/highlight.php/test/detect/elm/default.txt

@@ -0,0 +1,22 @@
+import Browser
+import Html exposing (div, button, text)
+import Html.Events exposing (onClick)
+
+type Msg
+    = Increment
+
+main =
+    Browser.sandbox
+        { init = 0
+        , update = \msg model -> model + 1
+        , view = view
+        }
+
+view model =
+    div []
+        [ div [] [ text (String.fromInt model) ]
+        , button [ onClick Increment ] [ text "+" ]
+        ]
+
+chars =
+    String.cons 'C' <| String.cons 'h' <| "ars"