chore: init project

src/InboxIntel.Application/DependencyInjection.cs

@@ -0,0 +1,14 @@
+using FluentValidation;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace InboxIntel.Application;
+
+public static class DependencyInjection
+{
+    /// <summary>Registers Application-layer services (validators, etc.).</summary>
+    public static IServiceCollection AddApplication(this IServiceCollection services)
+    {
+        services.AddValidatorsFromAssembly(typeof(DependencyInjection).Assembly);
+        return services;
+    }
+}