move types into their respective product blocks and types

docs/source/glossary.rst

docs/source/module/products/index.rst

gso/api/v1/imports.py

gso/products/__init__.py

gso/products/product_blocks/iptrunk.py

gso/products/product_blocks/router.py

gso/products/product_blocks/site.py

gso/utils/helpers.py

gso/utils/types/__init__.py

gso/utils/types/imports.py

gso/utils/types/ip_port.py

gso/utils/types/phy_port.py

gso/utils/types/snmp.py

gso/workflows/iptrunk/create_iptrunk.py

gso/workflows/iptrunk/modify_trunk_interface.py

gso/workflows/router/create_router.py

gso/workflows/site/create_site.py

gso/workflows/tasks/import_iptrunk.py

gso/workflows/tasks/import_router.py

test/fixtures.py