feat: split big file and update agents.md

src/shared/lib/campaign.ts

@@ -0,0 +1,11 @@
+import { campaigns } from "@/entities/site-content";
+
+type Campaign = (typeof campaigns)[number];
+
+export function formatRub(value: number) {
+  return new Intl.NumberFormat("ru-RU", { maximumFractionDigits: 0 }).format(value);
+}
+
+export function campaignProgress(campaign: Campaign) {
+  return Math.round((campaign.raised / campaign.goal) * 100);
+}