Feature/remodel router product

The remodel on the router side is finished, IAS resources will be part of phase 2

gso/api/v1/imports.py

@@ -10,8 +10,9 @@ from pydantic import BaseModel, root_validator, validator
 from pydantic.fields import ModelField
 
 from gso.products.product_blocks.iptrunk import IptrunkType, PhyPortCapacity
-from gso.products.product_blocks.router import RouterRole, RouterVendor
+from gso.products.product_blocks.router import RouterRole
 from gso.products.product_blocks.site import SiteTier
+from gso.products.product_types.router import RouterVendor
 from gso.services import subscriptions
 from gso.services.crm import CustomerNotFoundError, get_customer_by_name
 from gso.utils.helpers import (