Parse homeserver from user_id

Signed-off-by: xtex <xtexchooser@duck.com>

proto/matrix/main.go

@@ -23,7 +23,7 @@ func main() {
 		panic("no access token")
 	}
 
-	client, err := m.NewClient("matrix.org", user_id, access_token)
+	client, err := m.NewClient(UserID(user_id).Homeserver(), user_id, access_token)
 	if err != nil {
 		panic(err)
 	}