chore: add custom header

In this case it is a header to the repository

server.js

@@ -37,6 +37,7 @@ import downloadRoute from './server/controllers/download.js';
 import healthzRoute from './server/controllers/healthz.js';
 import secretRoute from './server/controllers/secret.js';
 import statsRoute from './server/controllers/stats.js';
+import customHeaders from './server/plugins/custom-headers.js';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -89,6 +90,8 @@ if (!isDev) {
     fs.writeFileSync(index, dom.serialize());
 }
 
+fastify.register(customHeaders);
+
 fastify.register(rateLimit, {
     prefix: '/api/',
     max: config.get('rateLimit.max'),

server/plugins/custom-headers.js

@@ -0,0 +1,10 @@
+import fp from 'fastify-plugin';
+
+export default fp((fastify, _, done) => {
+    fastify.decorate('customHeaders', async (_, res) => {
+        res.header('X-Github', 'https://github.com/HemmeligOrg/Hemmelig.app');
+    });
+
+    fastify.addHook('onRequest', fastify.customHeaders);
+    done();
+});