feat: add contactBooks to sdk, add delete campaign public endpoint (#352)

* feat: add contactBooks to sdk, add delete campaign public endpoint

* fix: pr review notes

* refactor: pr feedback

* feat: bulk delete/create contacts

* refactor: rename a few methods for consistency

* refactor: update openapi docs based on pr feedback

* refactor: update open api docs, based on pr feedback

* fix: delete campaign security issue

* refactor: delete campaign requires team id (from context)

* fix: enums

apps/docs/api-reference/campaigns/delete-campaign.mdx

@@ -0,0 +1,3 @@
+---
+openapi: delete /v1/campaigns/{campaignId}
+---