Update middleware configuration in Program.cs

- Added Swagger endpoint for OpenAPI specification.
- Commented out unused middleware: UseRateLimiter and UseCors.
- Other middleware configurations remain unchanged.

SqlDatabaseVectorSearch/Program.cs

@@ -124,9 +124,7 @@ app.UseSwaggerUI(options =>
 });
 
 app.UseRouting();
-// app.UseRateLimiter();
 app.UseRequestLocalization();
-// app.UseCors();
 
 app.UseAntiforgery();