Update _index.md

Author: miku

content/_index.md

@@ -60,6 +60,7 @@ interested, [let's talk](mailto:[email protected]).
 {{< h2 >}}Meetup log{{< /h2 >}}
 
 We try to sum up every meetup in a short blog post:
+[#54](/posts/meetup-54-wrapup/),
 [#53](/posts/meetup-53-wrapup/),
 [#52](/posts/meetup-52-wrapup/),
 [#51](/posts/meetup-51-wrapup/),