add about page

Frontend/patient_manager/lib/pages/about/MIH_About.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:patient_manager/components/MIH_Layout/MIH_Action.dart';
+import 'package:patient_manager/components/MIH_Layout/MIH_Body.dart';
+import 'package:patient_manager/components/MIH_Layout/MIH_Header.dart';
+import 'package:patient_manager/components/MIH_Layout/MIH_LayoutBuilder.dart';
+import 'package:patient_manager/components/popUpMessages/mihLoadingCircle.dart';
+
+class MIHAbout extends StatefulWidget {
+  const MIHAbout({
+    super.key,
+  });
+
+  @override
+  State<MIHAbout> createState() => _MIHAboutState();
+}
+
+class _MIHAboutState extends State<MIHAbout> {
+  MIHAction getActionButton() {
+    return MIHAction(
+      icon: Icons.arrow_back,
+      iconSize: 50,
+      onTap: () {},
+    );
+  }
+
+  MIHHeader getHeader() {
+    return const MIHHeader(
+      headerAlignment: MainAxisAlignment.center,
+      headerItems: [
+        Text(
+          "About",
+          style: TextStyle(
+            fontWeight: FontWeight.bold,
+            fontSize: 25,
+          ),
+        ),
+      ],
+    );
+  }
+
+  MIHBody getBody() {
+    return const MIHBody(
+      borderOn: true,
+      bodyItems: [
+        Center(
+          child: Mihloadingcircle(),
+        ),
+      ],
+    );
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MIHLayoutBuilder(
+      actionButton: getActionButton(),
+      header: getHeader(),
+      body: getBody(),
+    );
+  }
+}