Switch the base framework from Create React App to Next.JS

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

src/redux/application-state.d.ts

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import type { OptionalUserState } from './user/types'
+import type { Config } from '../api/config/types'
+import type { OptionalMotdState } from './motd/types'
+import type { HistoryEntry } from './history/types'
+import type { ApiUrlObject } from './api-url/types'
+import type { EditorConfig } from './editor/types'
+import type { DarkModeConfig } from './dark-mode/types'
+import type { NoteDetails } from './note-details/types/note-details'
+import type { UiNotificationState } from './ui-notifications/types'
+import type { RendererStatus } from './renderer-status/types'
+
+export interface ApplicationState {
+  user: OptionalUserState
+  config: Config
+  motd: OptionalMotdState
+  history: HistoryEntry[]
+  apiUrl: ApiUrlObject
+  editorConfig: EditorConfig
+  darkMode: DarkModeConfig
+  noteDetails: NoteDetails
+  uiNotifications: UiNotificationState
+  rendererStatus: RendererStatus
+}