feat(language-support): add more tree-sitter grammars#1589

Draft

CrossR wants to merge 7 commits intoonivim:masterfrom CrossR:CrossR/tree-sitter-update

+1,055-113

Commits on Apr 11, 2020

Bump to newest version of reason-tree-sitter.
CrossR
committed

Commits on Aug 15, 2020

Merge branch 'master' into CrossR/tree-sitter-update
CrossR
committed