Add simple healthcheck endpoint (#81)

* Add simple healthcheck endpoint

* CR feedback

Author: FyreByrd

src/hooks.server.ts

@@ -10,6 +10,7 @@ import { allWorkers } from '$lib/server/bullmq/BullMQ';
 import { DatabaseConnected } from '$lib/server/prisma';
 
 const handleAPIRoute: Handle = async ({ event, resolve }) => {
+  if (event.route.id === '/(api)/health') return resolve(event);
   const [success, res] = await tryVerifyAPIToken(event);
   if (!success) {
     return res;

src/routes/(api)/health/+server.ts

@@ -0,0 +1,6 @@
+import type { RequestHandler } from './$types';
+
+// GET health
+export const GET: RequestHandler = async () => {
+  return new Response(null, { status: 200 });
+};