Add syntax highlighting for lisp (common lisp and lfe)
Add syntax highlighting for lisp (common lisp and lfe)

jtigger/exercism.io,RaptorRCX/exercism.io,RaptorRCX/exercism.io,mhelmetag/exercism.io,jtigger/exercism.io,treiff/exercism.io,treiff/exercism.io,jtigger/exercism.io,tejasbubane/exercism.io,tejasbubane/exercism.io,mhelmetag/exercism.io,treiff/exercism.io,tejasbubane/exercism.io,treiff/exercism.io,mhelmetag/exercism.io,RaptorRCX/exercism.io,nathanbwright/exercism.io,jtigger/exercism.io,mhelmetag/exercism.io,RaptorRCX/exercism.io,nathanbwright/exercism.io,nathanbwright/exercism.io,nathanbwright/exercism.io,tejasbubane/exercism.io