model: orion: Time series anomaly detection

[coddiw0mple]

Based on Issue #960, I felt it would be related to the GSoC project I am aiming to work on and have hence worked on this issue.

[coddiw0mple]

Done! All generated files/directories have been removed, along with automatically generated test data, as informed in the Gitter channel

[johnandersen777]

Please let us know how it goes with taking data from the sources object.

References:

• https://intel.github.io/dffml/master/examples/or_covid_data_by_county.html
• https://intel.github.io/dffml/master/tutorials/models/slr.html

[coddiw0mple]

Alright I think I made all the changes you recommended @pdxjohnny

[programmer290399]

@coddiw0mple, please make sure that the CI tests you're adding are passing up here. Tests / test (model/orion, 3.7) Tests / test (model/orion, 3.8)