Refactor website to use shadcn components

frontend/app/legal/imprint/page.tsx

@@ -1,10 +1,17 @@
 import React from 'react';
-import ImprintComp from "@/components/Legal/Imprint/ImprintComp";
+import ImprintComp from "@/app/legal/imprint/ImprintComp";
+import type {Metadata} from "next";
+
+export async function generateMetadata(): Promise<Metadata> {
+    return {
+        title: "Impressum | Rhein Software",
+    };
+}
 
 const ImprintPage = () => {
     return (
         <div>
-            <ImprintComp />
+            <ImprintComp/>
         </div>
     );
 };