Episode titles and learning objectives

[K-Meech]

Definition of done

Split content into individual episodes for the three days. These should have:

• Title

• List of learning objectives + questions (i.e. the content of the 'overview' box at the top of each lesson - example from another course: https://swcarpentry.github.io/python-novice-gapminder/03-types-conversion.html)

• [x] #8

• [x] #9

• [ ] #10

[MonikaSvata]

Changed priority to Low, as Day1 and Day2 are done and Day3 is TBD.