feat:增加闪灵功能

lib/provider/flisp_provider.dart

@@ -0,0 +1,18 @@
+import 'package:flisp_app/models/flisp.dart';
+import 'package:flutter/material.dart';
+
+class FlispProvider with ChangeNotifier {
+  late Flisp _formItem;
+
+  Flisp get formItem => _formItem;
+
+  void resetForm() {
+    _formItem = Flisp.getEmpty();
+    notifyListeners();
+  }
+
+  void initForm(Flisp flisp) {
+    _formItem = flisp;
+    notifyListeners();
+  }
+}