register page added with toggle between sign in & register

Frontend/patient_manager/lib/components/signInOrRegister.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:patient_manager/pages/register.dart';
+import 'package:patient_manager/pages/signin.dart';
+
+class SignInOrRegister extends StatefulWidget {
+  const SignInOrRegister({super.key});
+
+  @override
+  State<SignInOrRegister> createState() => _SignInOrRegisterState();
+}
+
+class _SignInOrRegisterState extends State<SignInOrRegister> {
+  bool showSignInPage = true;
+
+  void togglePages() {
+    setState(() {
+      showSignInPage = !showSignInPage;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (showSignInPage) {
+      return SignIn(onTap: togglePages);
+    } else {
+      return Register(onTap: togglePages);
+    }
+  }
+}