touch db.json to combat travis not building with hexo-include-markdown
touch db.json to combat travis not building with hexo-include-markdown

https://travis-ci.org/transloadit/uppy/builds/509314852#L3345
https://github.com/tea3/hexo-include-markdown/issues/2

transloadit/uppy,transloadit/uppy,transloadit/uppy,transloadit/uppy