feat: Add dummy pages

packages/web/src/components/PageTitle/index.tsx

@@ -0,0 +1,15 @@
+import Typography from '@mui/material/Typography';
+
+type PageTitleProps = {
+  children: React.ReactNode;
+};
+
+export default function PageTitle(props: PageTitleProps) {
+  const { children } = props;
+
+  return (
+    <Typography variant="h4">
+      {children}
+    </Typography>
+  );
+}