feat: Implement API client and token models with hashing and JWT authentication

- Added ApiClientModel and ApiTokenModel for managing API clients and tokens.
- Introduced ConfigurationDefinitionModel and ConfigurationValueModel for configuration management.
- Created CredentialSecretModel for storing credential secrets.
- Developed DeploymentArtifactModel and DeploymentBatchModel for deployment management.
- Enhanced DeploymentTargetModel and DeploymentTemplateSelectionModel to support template revisions.
- Added TemplateRevisionModel and TemplateVersionModel for versioning templates.
- Implemented ApiClientSecretHasher for secure secret hashing.
- Created ApiTokenService for generating and validating JWT tokens.
- Updated QueueJobService to handle deployment requests with artifacts.
- Configured authentication settings in appsettings.json for JWT and Negotiate authentication.

Models/DeploymentBatchModel.cs

@@ -22,6 +22,7 @@ namespace Microsoft.SelfService.Portal.Core.API.Models
         public ICollection<DeploymentTemplateSelectionModel> TemplateSelections { get; set; } = new List<DeploymentTemplateSelectionModel>();
         public ICollection<DeploymentParameterValueModel> ParameterValues { get; set; } = new List<DeploymentParameterValueModel>();
         public ICollection<DeploymentTargetAssignmentModel> TargetAssignments { get; set; } = new List<DeploymentTargetAssignmentModel>();
+        public ICollection<DeploymentArtifactModel> Artifacts { get; set; } = new List<DeploymentArtifactModel>();
     }
 }