Increased default page size to 50

Increased the default page size from 10 to 50 to ensure that the closest upcoming comebacks are on the first page without having to change the page size manually.

src/routes/+page.svelte

@@ -8,7 +8,7 @@
 	let startDate = null;
 	let endDate = null;
 	let filteredReleases = [];
-	let pageSize = 10;
+	let pageSize = 50;
 	let currentPage = 1;
 	let releaseTypes = [];
 	let totalPages = 1;