feat: Messaging Storage API and Ack Manager

[weboko]

Description

Implement first iteration of Messaging Storage API as defined in spec proposal.

User Story

N/A as it is defined in the spec.

Proposed Solution / Feature Design

N/A, defined in the spec

Notes

• Spec - https://github.com/waku-org/specs/blob/17464d356a40cfa130c0df25b50769a4f38b7c45/standards/application/messaging-api.md#message-storage

[weboko]

This entity is completely hidden and addressed in #2583