Chore: Port over Settings (Barely Works)

src/lib/request-manager/index.ts

@@ -1,4 +1,9 @@
 import type { ServerAdapter } from '$lib/server-adapters/types'
+import * as extensions from './extensions'
+import * as chapters   from './chapters'
+import * as downloads  from './downloads'
+import * as manga      from './manga'
+import * as tracking   from './tracking'
 
 let adapter: ServerAdapter
 
@@ -9,4 +14,16 @@ export function initRequestManager(a: ServerAdapter) {
 export function getAdapter(): ServerAdapter {
   if (!adapter) throw new Error('RequestManager not initialized')
   return adapter
+}
+
+export function clearPageCache(chapterId?: number): void {
+  getAdapter().clearPageCache(chapterId)
+}
+
+export const requestManager = {
+  extensions,
+  chapters,
+  downloads,
+  manga,
+  tracking,
 }