Fix accidental breaks in code blocks Apparently Emacs's `delete-trailing-whitespace` deletes empty bird-style code blocks in literate-haskell-mode.
Explain where to find mkuser tutorial source code Now that the mkuser tutorial is rendered on the GitHub wiki, we have to clarify that the tutorial source lives in the main repository in case someone wants to build it.
Add introductory mkuser tutorial This tutorial introduces most of the basic concepts needed to use Mangrove by building a command line interface for a hypothetical user account creation tool.