Added Shortest Job First Algorithm (#1957)

* Added Shortest Job First Algorithm

It is in IPYNB format but the dataframes are really looking good.
Please, take a look.

* Delete Shortest_Job_First_Algorithm.ipynb

* Added Shortest Job First Algorithm

* Update Shortest_Job_First Algorithm.py

* Update Shortest_Job_First Algorithm.py

* Update Shortest_Job_first Algorithm

* Added Shortest_Job_First Algorithm

* Added Shortest Job First Algorithm

* Update shortest_job_first_algorithm.py

* Format code with psf/black

Co-authored-by: Christian Clauss <cclauss@me.com>