Interaction optimization

• Research queue

  Select tech/culture with unstarted prerequisites -> entire research line enters queue

  Select tech/culture with started prerequisites -> added to queue

  Cancel unstarted tech/culture in queue -> subsequent ones must also be cancelled

• When out of ammo, check if there is any in the backpack; if so, equip it. This applies during both combat and hunting

• Stove interface, add a button to jump to food priorities

• Initial supplies: add some animal feed

• Animal pen interface, add a button to jump to auto-hunt settings