proj reorg into folders;

fixed provider implementation;
added TxnType radio picker

lib/screens/about.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+class AboutScreen extends StatelessWidget {
+  // change to AboutDialog
+  const AboutScreen(
+      {super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          title: const Text('About Page'),
+          backgroundColor: const Color.fromARGB(255, 185, 47, 5),
+        ),
+        body: const Center(
+          child: Text('About Page Text, Lorum Ipsum and whatnot.'),
+        ));
+  }
+}