cache org list for up to 4 hours

Author: devksingh4

src/routes/organizations.ts

@@ -1,7 +1,13 @@
 import { FastifyPluginAsync } from "fastify";
 import { OrganizationList } from "../orgs.js";
+import fastifyCaching from "@fastify/caching";
 
 const organizationsPlugin: FastifyPluginAsync = async (fastify, _options) => {
+  fastify.register(fastifyCaching, {
+    privacy: fastifyCaching.privacy.PUBLIC,
+    serverExpiresIn: 60 * 60 * 4,
+    expiresIn: 60 * 60 * 4,
+  });
   fastify.get("/", {}, async (request, reply) => {
     reply.send(OrganizationList);
   });