Add Regional pizza style to repo (Please Keep Open)

[BekahHW]

Do you have a regional-style pizza you want the world to know about? We'd love to hear it.

Before submitting, make sure the recipe doesn't already exist and then add one recipe to https://github.com/open-sauced/pizza-verse/blob/main/regional-pizza.md.

Also, to keep this issue open, use "Relates to" when linking this issue to your PR in the "Related to" section of your PR template.