added simple documentation

docs/reference/external-systems.md

@@ -21,3 +21,7 @@ Shlink is used to create short links. We provide an interface for members to cre
 ### MinIO
 
 MinIO is used to store files like profile pictures and meeting documents.
+
+### Meilisearch
+
+Meilisearch is used to provide a good search experience. It can index data from our database and provide rich search capabilities.

src/routes/(app)/api/search/+server.ts

@@ -1,6 +1,14 @@
 import type { RequestHandler } from "@sveltejs/kit";
 import { meilisearch } from "./meilisearch";
 
+/**
+ * This endpoint is used to search multiple indexes at once.
+ * It takes a query and a list of indexes to search in.
+ * It will return the results from each index.
+ * Example usage:
+ * GET /api/search?query=oddput clementin&indexes=["members", "articles"]
+ * This will search for "oddput clementin" in the "members" and "articles" indexes.
+ */
 export const GET: RequestHandler = async ({ url }) => {
   const query = url.searchParams.get("query");
   if (!query) {