I am trying to use prose.io to create a template engine - in particular, to save markup files to the github repository, which are then immediately displayed.
I play with prose.io in my online editor to try to add markup files to the previous old Jekyll page, but when I try to commit a new file, there is a โnot foundโ error on the icon in which you are making changes.

If anyone had this error before I will be grateful for the help!
github github-pages jekyll prose
Huw davies
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