Change generics to follow common patterns

Worked on fixing add_generic_route(s)

Worked on generic interface functions and python class object

**BROKEN BUILD** Modified many of the generic functions to match new patterns.

Changed generic transport firewall properties to snake_case

Mostly worked on Generic VPN and Generic Ignored Interfaces

Finished DocStrings bug tests are needed + changes to add functions, plus functional testing

Removed the multi-update and multi-add functions

Changed add functions to accept individual arguments instead of objects, tests are all broken

Changed all code tests and got them working

minor correction to a docstring

Implemented GET and PUT topology_mode

Changed all mgmt_id to device_id, made use of _resolve_device_id, removed some Union[int, str], fixed code tests

Made some small changes to generic interface to support numbered vs unnumbered

Fixed a couple bugs in generic route

Changed generic transparent firewalls endpoint to more closely match swagger

added generic bool to get_generic_interface_customers

modified the name of generic_interface_customer to generic_interface_customer_tag(s)

linted and formatted