TekH
472c9506f9
Introduced `OutgoingEmailPublisher` for RabbitMQ-based email queueing with message persistence, scalability, and reliability. Added dependency injection support via `AddMessagingServicePublisher` extension method. Enhanced RabbitMQ topology setup with exchanges, queues, and Dead Letter Queues (DLQ). Updated `DigitalData.MessagingService.Publisher.csproj` and `DigitalData.MessagingService.RabbitMQ.csproj` to support `net462`, `net480`, and `net8.0`. Added project references and conditional package references for compatibility. Integrated logging with `Microsoft.Extensions.Logging` and used `System.Text.Json` for serialization. Implemented lazy initialization for RabbitMQ channels to improve performance.