slapid and player now links when registering

internal/discord/steamid.go

@@ -4,6 +4,8 @@ import (
 	"github.com/pkg/errors"
 )
 
+var ErrNoSteam error = errors.New("steam connection not found")
+
 func (s *OAuthSession) GetSteamID() (string, error) {
 	connections, err := s.UserConnections()
 	if err != nil {
@@ -14,5 +16,5 @@ func (s *OAuthSession) GetSteamID() (string, error) {
 			return conn.ID, nil
 		}
 	}
-	return "", errors.New("steam connection not found")
+	return "", ErrNoSteam
 }