Show error on non-implemented pages

Author: ben221199

src/AppRoutes.tsx

@@ -3,7 +3,7 @@ import { Route, Routes } from "react-router";
 import NotFound from "~/NotFound";
 import ClaimPage from "~/pages/ClaimPage";
 import DiscoverPage from "~/pages/DiscoverPage";
-import Following from "~/pages/Following";
+import FollowingPage from "~/pages/FollowingPage";
 import HomePage from "~/pages/HomePage";
 import LibraryPage from "~/pages/LibraryPage";
 import ListsPage from "~/pages/ListsPage";
@@ -16,7 +16,7 @@ function AppRoutes(): JSX.Element {
   return (
     <Routes>
       <Route index path="/" element={<HomePage />} />
-      <Route index path="/following" element={<Following />} />
+      <Route index path="/following" element={<FollowingPage />} />
       <Route index path="/tags" element={<TagsPage />} />
       <Route index path="/discover" element={<DiscoverPage />} />
       <Route index path="/library" element={<LibraryPage />} />

src/pages/DiscoverPage.tsx

@@ -4,7 +4,11 @@ import Error from "~/components/Error";
 import Loader from "~/components/Loader";
 
 function DiscoverPage(): JSX.Element {
-  const localPreferenceResponse: object = undefined;
+    const localPreferenceResponse: object = {
+        error:{
+            message:"Not yet implemented.",
+        },
+    };
 
   return (
     <>

src/pages/LibraryPage.tsx

@@ -4,7 +4,11 @@ import Error from "~/components/Error";
 import Loader from "~/components/Loader";
 
 function LibraryPage(): JSX.Element {
-  const localPreferenceResponse: object = undefined;
+    const localPreferenceResponse: object = {
+        error:{
+            message:"Not yet implemented.",
+        },
+    };
 
   return (
     <>

src/pages/ListsPage.tsx

@@ -4,7 +4,11 @@ import Error from "~/components/Error";
 import Loader from "~/components/Loader";
 
 function ListsPage(): JSX.Element {
-  const localPreferenceResponse: object = undefined;
+  const localPreferenceResponse: object = {
+      error:{
+          message:"Not yet implemented.",
+      },
+  };
 
   return (
     <>