feat：参照研听的基础工程

test/widget_test.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('Placeholder smoke test', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(body: Center(child: Text('jinzhi'))),
+      ),
+    );
+    expect(find.text('jinzhi'), findsOneWidget);
+  });
+}