❔ Getting the connectionString from appsetting.json

public class EfGenericRepository<TEntity, TContext> : IGenericRepository<TEntity> where TEntity : class, IEntity, new() where TContext : DbContext, new()
{
     public void Add(TEntity entity)
     {
         using (TContext context = new TContext())
         {
             var addedEntity = context.Entry(entity);
             addedEntity.State = EntityState.Added;
             context.SaveChanges();
         }
     }
}

public class EfCategoryDal : EfGenericRepository<Category, SimpraProjectContext>, ICategoryDal
{
}

public class SimpraProjectContext : DbContext
{
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
     {
         optionsBuilder.UseSqlServer(@"Server=DESKTOP-xxx; Database=TestOne; Trusted_Connection=true; TrustServerCertificate=True");
     }
// other codes
}