Add "automatic scrolling"

src/modules/reader/contexts/ReaderAutoScrollContext.tsx

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import { createContext, useContext } from 'react';
+import { TReaderAutoScrollContext } from '@/modules/reader/types/Reader.types.ts';
+
+export const ReaderAutoScrollContext = createContext<TReaderAutoScrollContext>({
+    isActive: false,
+    setScrollRef: () => {},
+    start: () => {},
+    cancel: () => {},
+});
+
+export const useReaderAutoScrollContext = () => useContext(ReaderAutoScrollContext);