Rename all files from .sh to .bash, since they all explicitly use and were written for bash.
Adding basic .gitignore file.
Creating documentation for Enrichen.

Clearly, none of this works yet. But this is the goal.

Once the prereq installs work as stated I'll delve into making the
Enrichments and their configurations in detail.
Fixing markdown formatting for GitHub.
Changing "setup" to "install".

Just didn't read as well?

The point is that Enriching and Installing are trivial to do and there's no clear differentiation between them. It just happens, seamlessly.
Moved incantation to update git submodules into a function.