feat(useragent): initial impl

useragent/lib/screens/about.dart

@@ -0,0 +1,9 @@
+import 'package:flutter/material.dart';
+import 'package:mtcore/markettakers.dart';
+
+class About extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return AboutScreen(decription: "Arbiter is bla bla bla");
+  }
+}