Update configuring-well-known.md add 302 redirect option as well as reverse-proxy

docs/configuring-well-known.md

@@ -97,7 +97,7 @@ This is relatively easy to do and possibly your only choice if you can only host
 
 This option is less fragile and generally better.
 
-On the base domain's server (e.g. `example.com`), you can set up reverse-proxying, so that any access for the `/.well-known/matrix` location prefix is forwarded to the Matrix domain's server (e.g. `matrix.example.com`).
+On the base domain's server (e.g. `example.com`), you can set up reverse-proxying (or simply a 302 redirect), so that any access for the `/.well-known/matrix` location prefix is forwarded to the Matrix domain's server (e.g. `matrix.example.com`).
 
 With this method, you **don't need** to add special HTTP headers for [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) reasons (like `Access-Control-Allow-Origin`), because your Matrix server (where requests ultimately go) will be configured by this playbook correctly.