docs consolidation and others

docs/dev/sdks/plugin-templates/stellaops-plugin-scheduler/DependencyInjectionRoutine.cs

@@ -0,0 +1,25 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using StellaOps.DependencyInjection;
+using StellaOps.DependencyInjection.Validation;
+
+namespace StellaOps.Plugin.MyJob;
+
+/// <summary>
+/// Registers MyJob services with the dependency injection container.
+/// </summary>
+public sealed class MyJobDependencyInjectionRoutine : IDependencyInjectionRoutine
+{
+    /// <inheritdoc />
+    public IServiceCollection Register(IServiceCollection services, IConfiguration configuration)
+    {
+        // Register options with fail-fast validation
+        services.AddOptionsWithValidation<MyJobOptions, MyJobOptionsValidator>(
+            MyJobOptions.SectionName);
+
+        // Register the scheduled job
+        services.AddSingleton<IScheduledJob, MyJob>();
+
+        return services;
+    }
+}