Iterates folders and generates folder.jpg for each one.
Each different script will generate these images from different sources.
Looks up each folder's name on IGDB and downloads its cover image.
Make sure to set up the following ENV keys:
TWITCH_CLIENT_ID
TWITCH_CLIENT_SECRET
Looks up each folder's game ID on RPCS3's wiki and downloads its cover image.
Looks up each folder's game ID on SerialStation and downloads its cover image.
Looks for ICON0.PNG files inside the folder.
Looks up each folder's game ID on CDRomance and downloads its cover image.
Downloads each folder's Steam capsule image, matched by app ID.
Looks up each folder's title ID against Nintendo Switch's title database and downloads its icon.