Add details to schedule view entries

This PR adds more details to the entries in the schedule view:

I positioned the additional details below the time so that the title can better break to multiple lines on mobile screens:

There would also be other possibilities where to place the additional items:

• above the time
• above the title
• below the title
• before the title
• after the title

What do you think about the arrangement of the additional items?

For the changes I have been inspired by the list entries in Kasts, where additional information is shown above and below the title: