add support to front-matter#2347

Merged

Rokt33r merged 5 commits intoBoostIO:masterfrom

daiyam:front-matter

Sep 15, 2018

Commits on Aug 27, 2018

- hide front-matter in preview
daiyam
committed

Commits on Aug 31, 2018

add test
daiyam
committed

Commits on Sep 4, 2018

Merge branch 'master' into front-matter
daiyam
committed

Commits on Sep 8, 2018

front-matter must be delimited by `---`
daiyam
committed

Commits on Sep 9, 2018

display invalid front-matter
daiyam
committed