Add types#1

Merged

wooorm merged 3 commits intosyntax-tree:masterfrom

ChristianMurphy:types/add-typings

Nov 13, 2019

Commits on Nov 4, 2019

types: add typings to unist-util-assert
ChristianMurphy
committed

Commits on Nov 12, 2019

types: upgrade dtslint to support ts 3.7, support void assertion
ChristianMurphy
committed

Commits on Nov 13, 2019

refactor: rename VoidNode to Void
ChristianMurphy
committed