Merge pull request #5409 from flll/patch-2

[reverse-proxy.md] Add Tailscale integration setup

reverse-proxy.md

@@ -710,6 +710,17 @@ Add the following `web.config` file to the root of the site you created as the r
 
 </details>
 
+### Tailscale
+
+<details>
+
+<summary>click here to expand</summary>
+
+For a reverse proxy example guide for Tailscale, see this guide by @flll: https://github.com/nextcloud/all-in-one/discussions/5439
+
+</details>
+
+
 ### Others
 
 <details>