Add project files.

Core.Cerberos.Adapters/Handlers/PermissionsAuthorizationHandler.cs

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+using Core.Cerberos.Adapters.Handlers.Adapters;
+using Microsoft.AspNetCore.Authorization;
+
+namespace Core.Cerberos.Adapters.Handlers
+{
+    public class PermissionsAuthorizationHandler : AuthorizationHandler<PermissionsAuthorizationAdapter>
+    {
+        protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, PermissionsAuthorizationAdapter requirement)
+        {
+            if (context.User.Claims.Any(x => x.Type == "LSARoleId" && requirement.Permission.Contains(x.Value)))
+            {
+                context.Succeed(requirement);
+            }
+
+            return Task.CompletedTask;
+        }
+    }
+}