Housekeeping tasks

[abhi1693]

• [x] https://github.com/netbox-community/netbox/issues/11325
• [x] https://github.com/netbox-community/netbox/issues/10833
• [x] Implement GraphQL
• [x] Implement prerequisite models

[kprince28]

All housekeeping tasks have already been implemented on the meta-type importer