stav-covid: Change population to use nested dicts
stav-covid: Change population to use nested dicts

Now, the subscript levels are

(dorm):
  (meal)
  title: <meal title>
  hours: [<entries from before>]

And this seems to generate the right output.

Signed-off-by: Kristofer Rye <1ed31cfd0b53bc3d1689a6fee6dbfc9507dffd22@gmail.com>

StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native,StoDevX/AAO-React-Native