first step of switch to opal

config.ru

@@ -1,4 +1,11 @@
-# Run via rack server
-require 'bundler/setup'
-require 'volt/server'
-run Volt::Server.new.app
+require 'bundler'
+Bundler.require
+
+require "opal"
+Opal.use_gem("salama")
+
+run Opal::Server.new { |s|
+  s.main = 'debugger'
+  s.append_path 'lib'
+  s.debug = true
+}