Renderer: Fix CORS issue

Author: BenCheung0422

src/routes/preview/+page.svelte

@@ -11,7 +11,6 @@
 
 	let { data } = $props();
 	const efp = $derived(data.efp);
-	$inspect(data)
 </script>
 
 <div class="h-full w-full [anchor-name:--content-container]">

src/routes/preview/+page.ts

@@ -8,11 +8,11 @@ export async function load({ fetch, url }: PageLoadEvent) {
 	if (url.searchParams.get("source") === "github") {
 		const raw = url.searchParams.get("raw");
 		if (raw === null) throw error(400, "Bad Request");
-		const res = await fetch("https://github.com/" + raw)
+		const res = await fetch("https://raw.githubusercontent.com/" + raw)
 		if (!res.ok) throw error(400, "Bad Request");
 		const efp = await parseEfp(new PreviewEfpPathResolver({
 			fetchAsset: async p => {
-				const asset = await fetch("https://github.com/" + concatAndResolveUrl(concatAndResolveUrl(raw, "../"), p), { mode: "cors" });
+				const asset = await fetch("https://raw.githubusercontent.com/" + concatAndResolveUrl(concatAndResolveUrl(raw, "../"), p), { mode: "cors" });
 				if (!asset.ok) throw error(400, "Bad Request");
 				return `data:${asset.headers.get("Content-Type")};base64,${btoa(String.fromCharCode(...await asset.bytes()))}`;
 			}