Add GET-only (for now) config fetching API route

src/pages/api/config.ts

@@ -0,0 +1,35 @@
+import type {NextApiRequest, NextApiResponse} from 'next';
+import {env} from '@/env/server.mjs';
+import {fetchConfiguration} from "@/db";
+import {Configuration} from "@/timing";
+
+type StatusData = { status: ResponseStatus };
+
+type ResponseStatus =
+    | 'unauthorized'
+    | 'failed'
+    | 'success';
+
+
+export default async function handler(
+    req: NextApiRequest,
+    res: NextApiResponse<StatusData | Configuration>
+) {
+    if (req.query.key != env.API_KEY) {
+        // auth failed
+        res.status(401).json({status: 'unauthorized'});
+        return;
+    }
+
+    if (req.method == "GET") {
+        try {
+            const configuration = await fetchConfiguration();
+            res.status(200).json(configuration);
+        } catch (e) {
+            console.error(e);
+            res.status(500).json({status: "failed"});
+        }
+    } else if (req.method == "POST") {
+        res.status(200).json({status: 'success'});
+    }
+}