docs: add missing .md

kenjis · kenjis · commit f15822ce848b · 2023-12-22T17:53:29.000+09:00
diff --git a/docs/index.md b/docs/index.md
@@ -21,8 +21,8 @@ Listen for queued jobs.
 
 * [Installation](installation.md)
 * [Configuration](configuration.md)
-* [Basic usage](basic-usage)
-* [Running queues](running-queues)
+* [Basic usage](basic-usage.md)
+* [Running queues](running-queues.md)
 * [Commands](commands.md)
 * [Troubleshooting](troubleshooting.md)
 
