List extension packs /data/config-enabled /swish /swish/lib /swish/lib/plugin /swish/lib/render /swish/pack/profile/prolog /swish/pack/profile/prolog/profile/backend /swish/pack/sCASP/prolog /swish/pack/sCASP/prolog/scasp /swish/pack/sCASP/prolog/scasp/clp /swish/pack/sCASP/prolog/scasp/lang /swish/pack/smtp/prolog /usr/lib/swipl/boot /usr/lib/swipl/library /usr/lib/swipl/library/chr /usr/lib/swipl/library/clp /usr/lib/swipl/library/clp/clpq /usr/lib/swipl/library/clp/clpqr /usr/lib/swipl/library/clp/clpr /usr/lib/swipl/library/dcg /usr/lib/swipl/library/dialect /usr/lib/swipl/library/dialect/swi /usr/lib/swipl/library/http /usr/lib/swipl/library/pldoc