Is your feature request related to a problem? Please describe.
User's guide is not included in repo

Describe the solution you'd like
Add reference to https://github.com/nasa/cFS/blob/gh-pages/cFE_Users_Guide.pdf

Describe alternatives you've considered
None

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC