Update workshop schedule and add Alpha as TA

[arnold-c]

[matthewferrari]

Alpha is added on workshop schedule in current version
Need to update schedule with schedule changes. Planned changes are:

• Day 1 end day with interactive activity on manipulating models
• merge Day2 lectures 5/6 (delivered by Amy Winter)
• Day 3 lecture on Stochastic models with interactive R session
• End with open questions session