Update index.md

Author: jAniceto

programming-notes/homeserver/index.md

@@ -17,6 +17,15 @@ Overview of several services for a Home Server.
 
 - [Homepage](https://gethomepage.dev/configs/)
 
+### File server
+
+- [NextCloud](https://nextcloud.com/install/#instructions-server)
+- OwnCloud
+
+### Reverse proxy
+
+- [Caddy](https://caddyserver.com/)
+
 ### Server monitoring
 
 - [Uptime Kuma](https://uptimekuma.org/)