Stardew Valley: Refactor buildings to use content packs (#4239)

* create building data object and rename ItemSource to Source to be more generic

# Conflicts:
#	worlds/stardew_valley/content/game_content.py

# Conflicts:
#	worlds/stardew_valley/data/artisan.py
#	worlds/stardew_valley/data/game_item.py
#	worlds/stardew_valley/data/harvest.py
#	worlds/stardew_valley/data/shop.py

* remove compound sources, replace by other requirements which already handle this usecase

* add coops to content packs

* add building progression in game features

* add shippping bin to starting building; remove has_house

* replace config check with feature

* add other buildings in content packs

* not passing

* tests passes, unbelievable

* use newly create methods more

* use new assets to ease readability

* self review

* fix flake8 maybe

* properly split rule for mapping cave systems

* fix tractor garage name

* self review

* add upgrade_from to farm house buldings

* don't override building name variable in logic

* remove has_group from buildings

* mark some items easy in grinding logic so blueprints buildings can be in more early spheres

* move stuff around to maybe avoid future conflicts cuz I have like 10 PRs opened right now

* remove price_multiplier, turns out it's unused during generation

* disable shop source for mapping cave systems

* bunch of code review changes

* add petbowl and farmhouse to autobuilding

* set min easy items to 300

* fix farm type

worlds/stardew_valley/data/items.csv

@@ -509,6 +509,7 @@ id,name,classification,groups,mod_name
 561,Fishing Bar Size Bonus,filler,PLAYER_BUFF,
 562,Quality Bonus,filler,PLAYER_BUFF,
 563,Glow Bonus,filler,PLAYER_BUFF,
+564,Pet Bowl,progression,BUILDING,
 4001,Burnt Trap,trap,TRAP,
 4002,Darkness Trap,trap,TRAP,
 4003,Frozen Trap,trap,TRAP,