chore(.gitignore): exclude emacs dependencies subdirectory
chore(.gitignore): exclude emacs dependencies subdirectory

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