Add CancellationToken support to IRepository methods

Updated the IRepository<TEntity> interface to include an optional CancellationToken parameter in the asynchronous methods: CreateAsync, ReadAsync, UpdateAsync, and DeleteAsync. Modified the DbRepository<TDbContext, TEntity> class to align with these changes, ensuring method signatures are consistent with the interface.

DigitalData.Core.Infrastructure/DbRepository.cs

@@ -16,27 +16,27 @@ public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbC
         Entities = queryFactory(context);
     }
 
-    public Task<TEntity> CreateAsync<TDto>(TDto dto)
+    public Task<TEntity> CreateAsync<TDto>(TDto dto, CancellationToken ct = default)
     {
         throw new NotImplementedException();
     }
 
-    public Task<TEntity> CreateAsync<TDto>(IEnumerable<TDto> dtos)
+    public Task<TEntity> CreateAsync<TDto>(IEnumerable<TDto> dtos, CancellationToken ct = default)
     {
         throw new NotImplementedException();
     }
 
-    public Task<IEnumerable<TEntity>> DeleteAsync<TDto>(Expression expression)
+    public Task<IEnumerable<TEntity>> DeleteAsync<TDto>(Expression expression, CancellationToken ct = default)
     {
         throw new NotImplementedException();
     }
 
-    public Task<IEnumerable<TEntity>> ReadAsync(Expression? expression = null)
+    public Task<IEnumerable<TEntity>> ReadAsync(Expression? expression = null, CancellationToken ct = default)
     {
         throw new NotImplementedException();
     }
 
-    public Task<IEnumerable<TEntity>> UpdateAsync<TDto>(TDto dto, Expression expression)
+    public Task<IEnumerable<TEntity>> UpdateAsync<TDto>(TDto dto, Expression expression, CancellationToken ct = default)
     {
         throw new NotImplementedException();
     }