Bookstack is an amazing publishing platform, but doesn't work well with shared hosting. Blukstack is a template for Bludit that offers simila 5D55 r features as Bookstack. Bludit is a flat file CMS.
You can contact me here. I use a ticket system to make sure all conversations don't get lost in Email-land.
I keep the web scoured for the best $1 VPS and hosting deals. I never recommend something that I don't use myself and really like. (I will make a respository for that, too.)