Fix #463 - Fetch and display previews of URLs using OpenGraph tags

lib/statsd_monitor.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class StatsDMonitor
+  def initialize(app)
+    @app = app
+  end
+
+  def call(env)
+    @app.call(env)
+  end
+end