auto-fix a lot of styling errors, and ignore documentation warnings in test files

docs/source/conf.py

gso/__init__.py

gso/api/v1/imports.py

gso/api/v1/subscriptions.py

gso/migrations/env.py

.../versions/2023-08-14_3657611f0dfc_add_router_workflows.py

...ns/versions/2023-08-14_91047dd30b40_add_site_workflows.py

.../versions/2023-08-14_97436160a422_add_initial_products.py

...ersions/2023-08-14_a6eefd32c4f7_add_ip_trunk_workflows.py

...023-08-16_e68720f2ec32_add_ip_trunk_migration_workflow.py

...versions/2023-08-23_01e42c100448_update_ip_trunk_model.py

...versions/2023-10-11_394dc60d5c02_modify_ip_trunk_model.py

...02_259c320235f5_add_site_modification_and_termination_.py

gso/products/__init__.py

gso/products/product_blocks/iptrunk.py

gso/products/product_blocks/router.py

gso/products/product_blocks/site.py

gso/products/product_types/iptrunk.py

gso/products/product_types/router.py

gso/products/product_types/site.py