[Protocol] Add optional address field to quake 2 player

CHANGELOG.md

@@ -5,6 +5,7 @@ Who knows what the future holds...
 ### Changes:
 Protocols:
 - GameSpy 2 support.
+- Quake 2: Added Optional address field to Player.
 
 Generic query:
 - Added generic queries (by [@Douile](https://github.com/Douile)) which come with a common struct for the response fields.

src/protocols/quake/two.rs

@@ -17,6 +17,7 @@ pub struct Player {
     pub frags: i16,
     pub ping: u16,
     pub name: String,
+    pub address: Option<String>,
 }
 
 impl QuakePlayerType for Player {
@@ -54,6 +55,10 @@ impl QuakeClient for QuakeTwo {
                 None => Err(GDError::PacketBad)?,
                 Some(v) => remove_wrapping_quotes(v).to_string(),
             },
+            address: match data.next() {
+                None => None,
+                Some(v) => Some(remove_wrapping_quotes(v).to_string()),
+            },
         })
     }
 }