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.

Migrations/20260709110540_AddDemoApiClientTokenScopes.cs

@@ -0,0 +1,33 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Microsoft.SelfService.Portal.Core.API.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddDemoApiClientTokenScopes : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.UpdateData(
+                table: "ApiClients",
+                keyColumn: "Id",
+                keyValue: new Guid("91000000-0000-0000-0000-000000000001"),
+                column: "ScopesJson",
+                value: "[\"deployment.read\",\"deployment.write\",\"queue.process\",\"template.read\",\"credential.resolve\",\"token.manage\",\"token.admin\"]");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.UpdateData(
+                table: "ApiClients",
+                keyColumn: "Id",
+                keyValue: new Guid("91000000-0000-0000-0000-000000000001"),
+                column: "ScopesJson",
+                value: "[\"deployment.read\",\"deployment.write\",\"queue.process\",\"template.read\",\"credential.resolve\"]");
+        }
+    }
+}