adding layout.html to see if fixes readthedocs build
adding layout.html to see if fixes readthedocs build

HealthCatalystSLC/healthcareai-py,mxlei01/healthcareai-py,HealthCatalyst/healthcareai-py,HealthCatalystSLC/healthcareai-py,jpo/healthcareai-py,HealthCatalyst/healthcareai-py,mxlei01/healthcareai-py,jpo/healthcareai-py