added title in loginscreen

lib/widgets/password_textfield.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+class PasswordField extends StatefulWidget {
+  const PasswordField(
+      {super.key, required this.controller, required this.onSubmitted});
+  final TextEditingController controller;
+  final VoidCallback onSubmitted;
+
+  @override
+  State<PasswordField> createState() => _PasswordFieldState();
+}
+
+class _PasswordFieldState extends State<PasswordField> {
+  bool isObscured = true;
+  @override
+  Widget build(BuildContext context) {
+    return TextFormField(
+      controller: widget.controller,
+      obscureText: isObscured,
+      autofillHints: const ['password', 'pass', 'login'],
+      onFieldSubmitted: (value) => widget.onSubmitted(),
+      decoration: InputDecoration(
+        label: const Text('Password'),
+        suffixIcon: TextButton(
+          onPressed: () => setState(() => isObscured = !isObscured),
+          child: Icon(isObscured ? Icons.visibility_off : Icons.visibility),
+        ),
+      ),
+    );
+  }
+}