Introduce VwmyCatalog as a keyless entity mapped to the VWMY_CATALOG database view. Update ApplicationDbContext to include the new DbSet and configure its mapping. Modify CatalogRepository to query the view instead of the table for GetAllAsync and GetByIdAsync. Add AutoMapper configuration for VwmyCatalog to Catalog. Add the VwmyCatalog entity class.
Set up multi-project solution with DbFirst API, Application, Domain, and Infrastructure layers. Implemented database-first EF Core for the Catalog entity, including domain, DTOs, repository, service, and controller. Configured AutoMapper, DI, Swagger, and project settings. Added .gitattributes and initial configuration files.