Implemented caching on all get endpoints and service layer

PostFundManagement.Api/Endpoints/Grants/GetContractsEndpoint.cs

@@ -1,5 +1,5 @@
+using PostFundManagement.Application.Abstractions.Services;
 using PostFundManagement.Application.Extensions;
-using PostFundManagement.Application.Services.Grants;
 using PostFundManagement.Domain;
 using PostFundManagement.Domain.Abstractions;
 using PostFundManagement.Domain.Extensions;
@@ -14,7 +14,7 @@ public class GetContractsEndpoint : IEndpoint
 {
     public void Map(IEndpointRouteBuilder builder)
     {
-        builder.MapGet("api/grants/contracts", async (GrantsService service, 
+        builder.MapGet("api/grants/contracts", async (IGrantsService service, 
             int page = 1, int pageSize = 100, CancellationToken cancellationToken = default) =>
                 await service.GetContractsAsync(Pagination.Create(page, pageSize), cancellationToken) switch
                 {
@@ -27,6 +27,7 @@ public class GetContractsEndpoint : IEndpoint
             .Produces<Contract[]>(StatusCodes.Status200OK)
             .Produces<Problems>(StatusCodes.Status500InternalServerError)
             .Produces(StatusCodes.Status401Unauthorized)
-            .WithTags(EndpointTags.Grants);
+            .WithTags(EndpointTags.Grants)
+            .CacheOutput();
     }
 }