Basic masto-style info.

lib/pleroma/web/twitter_api/controllers/util_controller.ex

@@ -42,4 +42,17 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
       _ -> json(conn, "Pleroma Dev")
     end
   end
+
+  # TODO: Move this
+  def masto_instance(conn, _params) do
+    response = %{
+      uri: Web.base_url,
+      title: Web.base_url,
+      description: "A Pleroma instance, an alternative fediverse server",
+      email: "example@example.org",
+      version: "dev"
+    }
+
+    json(conn, response)
+  end
 end