Add Kusto Cluster Diagnostic HealthCheck support

[perkops]

No description provided.

[Copilot]

Pull Request Overview

This PR adds Kusto cluster diagnostic health check support by introducing a dedicated health check implementation, diagnostics model, interface, and extension method for ASP.NET Core integration. Key changes include:

• Implementation of KustoClusterDiagnosticsHealthCheck with query execution and result mapping.
• Creation of the KustoClusterDiagnostics model to encapsulate diagnostic data.
• Updates to HealthCheckExtensions, sample projects, documentation, and project files to integrate and demonstrate the new functionality.

Reviewed Changes

Copilot reviewed 20 out of 34 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/Atc.Kusto/HealthChecks/KustoClusterDiagnosticsHealthCheck.cs	Added health check implementation for Kusto cluster diagnostics.
src/Atc.Kusto/HealthChecks/KustoClusterDiagnostics.cs	Introduced diagnostic data model for Kusto.
src/Atc.Kusto/HealthChecks/IKustoClusterDiagnosticsHealthCheck.cs	Provided an interface for the Kusto health check.
src/Atc.Kusto/HealthChecks/HealthCheckExtensions.cs	Added extension method for streamlined health check registration.
Various project and sample files	Updated project references, dependency versions, and documentation.

Comments suppressed due to low confidence (1)

src/Atc.Kusto/HealthChecks/KustoClusterDiagnosticsHealthCheck.cs:19

• The 'logger' field is used but not declared in this partial class file. Ensure that a corresponding field (e.g., 'private readonly ILogger logger;') is declared either in this file or in another partial definition.

        this.logger = logger;

[sonarqubecloud]

Quality Gate failed

Failed conditions
8.3% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud

[lupusbytes]

lgtm