refactor: remove electron-related code

src/routes.tsx

@@ -0,0 +1,27 @@
+import { match } from 'path-to-regexp'
+import { isValidElement } from 'react'
+import FollowingListPage from './pages/secondary/FollowingListPage'
+import HomePage from './pages/secondary/HomePage'
+import NoteListPage from './pages/secondary/NoteListPage'
+import NotePage from './pages/secondary/NotePage'
+import NotificationListPage from './pages/secondary/NotificationListPage'
+import ProfileListPage from './pages/secondary/ProfileListPage'
+import ProfilePage from './pages/secondary/ProfilePage'
+import RelaySettingsPage from './pages/secondary/RelaySettingsPage'
+
+const ROUTES = [
+  { path: '/', element: <HomePage /> },
+  { path: '/notes', element: <NoteListPage /> },
+  { path: '/notes/:id', element: <NotePage /> },
+  { path: '/users', element: <ProfileListPage /> },
+  { path: '/users/:id', element: <ProfilePage /> },
+  { path: '/users/:id/following', element: <FollowingListPage /> },
+  { path: '/relay-settings', element: <RelaySettingsPage /> },
+  { path: '/notifications', element: <NotificationListPage /> }
+]
+
+export const routes = ROUTES.map(({ path, element }) => ({
+  path,
+  element: isValidElement(element) ? element : null,
+  matcher: match(path)
+}))