[frontend]: Add navbar and statistics page

frontend/src/components/Statistics.jsx

@@ -0,0 +1,12 @@
+import React from "react";
+
+const Statistics = () => {
+    return (
+        <div style={{height: "100vh", width: "100vw", display: "flex", position: "relative", paddingTop: "5vh"}}>
+            <h1 className="text-2xl font-bold mb-4">About This Application</h1>
+            <p>This application provides real-time and permanent data on Irish Rail, Luas, and bus services.</p>
+        </div>
+    );
+};
+
+export default Statistics;