Refactor proxy codebase

apps/yaak-proxy/lib/store.ts

@@ -0,0 +1,15 @@
+import { createModelStore } from "@yaakapp-internal/model-store";
+import type { HttpExchange } from "@yaakapp-internal/proxy-lib";
+
+type ProxyModels = {
+  http_exchange: HttpExchange;
+};
+
+export const { dataAtom, applyChange, replaceAll, listAtom, orderedListAtom } =
+  createModelStore<ProxyModels>(["http_exchange"]);
+
+export const httpExchangesAtom = orderedListAtom(
+  "http_exchange",
+  "createdAt",
+  "desc",
+);