feat(library/data/list/sorted): add locally_sorted, sorted and strongly_sorted predicates for lists
feat(library/data/list/sorted): add locally_sorted, sorted and strongly_sorted predicates for lists

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