fix(more resources): fix porting and functionality [r8s-103] (#8)

Co-authored-by: testA113 <aliharriss1995@gmail.com>
Co-authored-by: Anthony Lapenna <anthony.lapenna@portainer.io>
Co-authored-by: Ali <83188384+testA113@users.noreply.github.com>

api/http/models/kubernetes/cluster_roles.go

@@ -1,8 +1,28 @@
 package kubernetes
 
-import "time"
+import (
+	"errors"
+	"net/http"
+	"time"
 
-type K8sClusterRole struct {
-	Name         string    `json:"name"`
-	CreationDate time.Time `json:"creationDate"`
+	"k8s.io/apimachinery/pkg/types"
+)
+
+type (
+	K8sClusterRole struct {
+		Name         string    `json:"name"`
+		UID          types.UID `json:"uid"`
+		CreationDate time.Time `json:"creationDate"`
+		IsSystem     bool      `json:"isSystem"`
+	}
+
+	K8sClusterRoleDeleteRequests []string
+)
+
+func (r K8sClusterRoleDeleteRequests) Validate(request *http.Request) error {
+	if len(r) == 0 {
+		return errors.New("missing deletion request list in payload")
+	}
+
+	return nil
 }