Add URI parameter to /api/meta (#3748)

* Add URI parameter to /api/meta
closes #3747

* Update fetch-meta.ts

* Update meta.ts

src/server/api/endpoints/meta.ts

@@ -42,6 +42,7 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		clientVersion: client.version,
 
 		name: instance.name,
+		uri: config.url,
 		description: instance.description,
 		langs: instance.langs,