Refactor navigation paths and centralize URL management by introducing a Links configuration; update Footer and Navbar components and rename route files for consistency.

lawfirm-demos/demo-1/app/Links.ts

@@ -0,0 +1,8 @@
+const Links = {
+    home: '/',
+    about: '/ueber-uns/',
+    imprint: '/impressum/',
+    privacy: '/datenschutz/',
+};
+
+export default Links;