Monotonic patch - Githubissues

Description

Adds NOTE about monotonic params and bias parameters which may result in the non fit's we've been seeing

Closes #154

The tests involve making sure the monotonic model actually sets the correct layers above zero and runs a test run with a monotonic model for 1 epoch

[x] The code uses informative and accurate variable and function names
[x] The functionality is factored out into functions and methods with logical interfaces
[x] Comments are up to date, document intent, and there are no commented-out code blocks
[x] Commenting and/or documentation is sufficient for others to be able to understand intent and implementation
[x] TODOs have been eliminated from the code
[x] The corresponding issue number (e.g. #278) has been searched for in the code to find relevant notes
[x] Documentation has been redeployed