feat(emacs/lean-util.el): add lean-find-files
feat(emacs/lean-util.el): add lean-find-files

leanprover/lean,soonhokong/lean-windows,soonhokong/lean-osx,rlewis1988/lean,leanprover-community/lean,soonhokong/lean,eigengrau/lean,leanprover-community/lean,Kha/lean,leodemoura/lean,rlewis1988/lean,digama0/lean,leanprover/lean,avigad/lean,Kha/lean,soonhokong/lean-windows,dselsam/lean,soonhokong/lean-osx,johoelzl/lean,digama0/lean,soonhokong/lean-osx,levnach/lean,fpvandoorn/lean2,levnach/lean,leodemoura/lean,UlrikBuchholtz/lean,johoelzl/lean,UlrikBuchholtz/lean,fgdorais/lean,dselsam/lean,sp3ctum/lean,levnach/lean,johoelzl/lean,levnach/lean,javra/lean,sp3ctum/lean,johoelzl/lean,dselsam/lean,Kha/lean,fpvandoorn/lean2,fpvandoorn/lean,soonhokong/lean-osx,javra/lean,leodemoura/lean,c-cube/lean,dselsam/lean,fgdorais/lean,soonhokong/lean-windows,leanprover/lean,soonhokong/lean,fgdorais/lean,rlewis1988/lean,javra/lean,digama0/lean,leanprover/lean,dselsam/lean,Kha/lean,sp3ctum/lean,johoelzl/lean,UlrikBuchholtz/lean,digama0/lean,soonhokong/lean,leodemoura/lean,dselsam/lean,fgdorais/lean,javra/lean,c-cube/lean,avigad/lean,eigengrau/lean,c-cube/lean,UlrikBuchholtz/lean,javra/lean,fpvandoorn/lean2,fpvandoorn/lean,sp3ctum/lean,soonhokong/lean,sp3ctum/lean,leodemoura/lean,leanprover/lean,avigad/lean,soonhokong/lean-windows,avigad/lean,eigengrau/lean,fpvandoorn/lean,fpvandoorn/lean2,fgdorais/lean,digama0/lean,leanprover/lean,c-cube/lean,Kha/lean,eigengrau/lean,avigad/lean,avigad/lean,johoelzl/lean,rlewis1988/lean,soonhokong/lean-windows,leanprover-community/lean,fpvandoorn/lean,soonhokong/lean-osx,fpvandoorn/lean,eigengrau/lean,leanprover-community/lean,UlrikBuchholtz/lean,leanprover-community/lean,fpvandoorn/lean2,leanprover-community/lean,rlewis1988/lean,fpvandoorn/lean,soonhokong/lean,c-cube/lean,rlewis1988/lean,fgdorais/lean,leodemoura/lean,digama0/lean,levnach/lean,Kha/lean