"I want the code to be open source so that people can poke through and learn from it, but I want to keep any draft blog posts private until they are ready to go

"I want the code to be open source so that people can poke through and learn from it, but I want to keep any draft blog posts private until they are ready to go live." - the problem seems mixing code and content. I would recommend decoupling on repo-/ NuGet-package level.