Chore: Restructure Repository for SvelteKit

_old/features/reader/lib/pageLoader.ts

@@ -0,0 +1,13 @@
+export { fetchPages, resolveUrl, preloadImage, measureAspect, clearPageCache } from "@core/cache/pageCache";
+
+export function buildPageGroups(urls: string[], aspects: number[], offsetSpreads: boolean): number[][] {
+  const groups: number[][] = [[1]];
+  if (offsetSpreads) groups.push([2]);
+  let i = offsetSpreads ? 3 : 2;
+  while (i <= urls.length) {
+    const a = aspects[i - 1];
+    if (a > 1.2 || i === urls.length) { groups.push([i++]); }
+    else { groups.push([i, i + 1]); i += 2; }
+  }
+  return groups;
+}