Refactor solution structure and add RabbitMQ config

Reorganized the solution structure to align with a layered architecture:
- Replaced `src` folder with `core`, `infrastructure`, and `presentation`.
- Moved projects to their respective folders.
- Added `DigitalData.MessagingService.Publisher.Abstraction` project.
- Removed `DigitalData.MessagingService.Client` project.

Updated project configurations and nesting in the solution file.

Added `appsettings.Secrets.json` with RabbitMQ and email account settings:
- RabbitMQ configuration includes hostname, port, credentials, and queue/exchange details.
- Email configuration includes SMTP server details and credentials.

DigitalData.MessagingService.sln

@@ -5,14 +5,6 @@ VisualStudioVersion = 17.14.36717.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.API", "src\DigitalData.MessagingService.API\DigitalData.MessagingService.API.csproj", "{456817AB-67A3-49DD-9EC5-1253A727B958}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Infrastructure", "src\DigitalData.MessagingService.Infrastructure\DigitalData.MessagingService.Infrastructure.csproj", "{D2C32417-FE92-4063-97A9-3DA8D811E561}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Domain", "src\DigitalData.MessagingService.Domain\DigitalData.MessagingService.Domain.csproj", "{76ADC1D0-4DFA-0B1E-57C9-2636434A0043}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Application", "src\DigitalData.MessagingService.Application\DigitalData.MessagingService.Application.csproj", "{1874A827-C6A5-EB5E-0FE9-30A7200382B7}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Tests", "tests\DigitalData.MessagingService.Tests\DigitalData.MessagingService.Tests.csproj", "{211FB65F-2406-474E-A426-DA246B250AB8}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{4F20FEFD-9289-42C6-ABA6-8DB236D74559}"
@@ -31,9 +23,17 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "core", "core", "{DD9D4A3A-A
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "infrastructure", "infrastructure", "{71BEA4D0-7835-4A8C-B11E-1088E0801DCE}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.RabbitMQ", "src\DigitalData.MessagingService.RabbitMQ\DigitalData.MessagingService.RabbitMQ.csproj", "{5B941DD2-7D0E-5D58-5D32-7E1B4C249CBC}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Application", "src\core\DigitalData.MessagingService.Application\DigitalData.MessagingService.Application.csproj", "{7CBE8648-F259-CC91-87FF-5859280867A8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Client", "src\DigitalData.MessagingService.Client\DigitalData.MessagingService.Client.csproj", "{C553F2ED-1585-E143-70E5-44A8D64D1BDF}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Domain", "src\core\DigitalData.MessagingService.Domain\DigitalData.MessagingService.Domain.csproj", "{8E44FA5B-43DD-E273-C682-FC382A854A6D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Publisher.Abstraction", "src\core\DigitalData.MessagingService.Publisher.Abstraction\DigitalData.MessagingService.Publisher.Abstraction.csproj", "{8A44EE33-02AA-8B3F-60F7-91BA483740A9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.Infrastructure", "src\infrastructure\DigitalData.MessagingService.Infrastructure\DigitalData.MessagingService.Infrastructure.csproj", "{56607AAB-3DEC-CB78-3062-56A8EEF5E9D2}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.RabbitMQ", "src\infrastructure\DigitalData.MessagingService.RabbitMQ\DigitalData.MessagingService.RabbitMQ.csproj", "{4CF993A6-FA3E-CBF7-C4CB-FFAEBFCFF705}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.MessagingService.API", "src\presentation\DigitalData.MessagingService.API\DigitalData.MessagingService.API.csproj", "{8BF22107-3CB9-C326-B94B-C40C99DA9B68}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -41,49 +41,49 @@ Global
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src/presentation/DigitalData.MessagingService.API/appsettings.Secrets.json

@@ -0,0 +1,27 @@
+{
+  "AllowedHosts": "*",
+  "RabbitMQ": {
+    "HostName": "172.24.12.56",
+    "Port": 5672,
+    "UserName": "admin",
+    "Password": "fl!'D}4;pYBb\\VD&{6]]G*\\0Bq8fVIn0j?Sgm\\2A,6GS47g5Dj",
+    "VirtualHost": "/",
+    "AutomaticRecoveryEnabled": true,
+    "NetworkRecoveryIntervalSeconds": 10,
+    "QueueName": "emailprofiler.email.outbox",
+    "ExchangeName": "emailprofiler.emails",
+    "RoutingKey": "email.outbox",
+    "DlqQueueName": "emailprofiler.email.outbox.dlq",
+    "DlqExchangeName": "emailprofiler.emails.dlq",
+    "DlqRoutingKey": "email.outbox.dlq"
+  },
+  "EmailAccount": {
+    "Username": "test-flow@digitaldata.works",
+    "Password": "ddemail108",
+    "PasswordEncrypted": false,
+    "SmtpServer": "kundencenter.triplew.de",
+    "SmtpPort": 465,
+    "SmtpUseSsl": true,
+    "UseOAuth2": false
+  }
+}