Updated Proxy Models (markdown)

Proxy-Models.md

@@ -28,6 +28,12 @@ or in [SIP002](http://shadowsocks.org/en/wiki/SIP002-URI-Scheme.html) URI scheme
 
 `-proxy ss://base64_encode(method:password)@server_host:port/<?obfs=http;obfs-host=xxx>`
 
+### Relay
+
+> Latest [GOST](https://github.com/go-gost/gost) version is required for better compatibility.
+
+`-proxy relay://<username>:<password>@server_host:port?<nodelay=false>`
+
 ### Direct
 
 `-proxy direct://`
@@ -46,5 +52,6 @@ or in [SIP002](http://shadowsocks.org/en/wiki/SIP002-URI-Scheme.html) URI scheme
 | Socks4  | ❌ | N/A |
 | Socks5  | ✅ | UDP |
 | Shadowsocks  | ✅ | UDP |
+| Relay   | ✅ | UDP over TCP |
 | Direct  | ✅ | UDP |
 | Reject  | N/A | N/A |