Add initial implementation of API, database, and user management components.

MikrocopApi/Dtos/UserDto.cs

@@ -0,0 +1,12 @@
+namespace MikrocopApi.Dtos;
+
+public sealed class UserDto
+{
+    public Guid Id { get; init; }
+    public required string UserName { get; init; }
+    public required string FullName { get; init; }
+    public required string Email { get; init; }
+    public required string MobileNumber { get; init; }
+    public required string Language { get; init; }
+    public required string Culture { get; init; }
+}