Initial commit, project structure and domain models

src/api/MicCheck.Api/Identities/Identity.cs

@@ -0,0 +1,13 @@
+using MicCheck.Api.Features;
+
+namespace MicCheck.Api.Identities;
+
+public class Identity
+{
+    public int Id { get; init; }
+    public required string Identifier { get; set; }
+    public int EnvironmentId { get; init; }
+    public DateTimeOffset CreatedAt { get; init; }
+    public ICollection<IdentityTrait> Traits { get; init; } = [];
+    public ICollection<FeatureState> FeatureStateOverrides { get; init; } = [];
+}