feat: add imagesearch provider (#6449)

* feat: add imagesearch provider



* update



* update



* update



* update url and queries



* add func getProviderTypeByHost



---------

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>
Signed-off-by: hongming <coder.scala@gmail.com>
Co-authored-by: wenhaozhou <wenhaozhou@yunify.com>

pkg/models/registries/imagesearch/configuration.go

@@ -0,0 +1,36 @@
+/*
+ * Please refer to the LICENSE file in the root directory of the project.
+ * https://github.com/kubesphere/kubesphere/blob/master/LICENSE
+ */
+
+package imagesearch
+
+import (
+	"fmt"
+
+	"gopkg.in/yaml.v3"
+	v1 "k8s.io/api/core/v1"
+)
+
+const (
+	SecretDataKey = "configuration.yaml"
+)
+
+type Configuration struct {
+	// The provider name.
+	Name string `json:"name" yaml:"name"`
+
+	// The type of image search provider
+	Type string `json:"type" yaml:"type"`
+
+	// The options of image search provider
+	ProviderOptions map[string]interface{} `json:"provider" yaml:"provider"`
+}
+
+func UnmarshalFrom(secret *v1.Secret) (*Configuration, error) {
+	config := &Configuration{}
+	if err := yaml.Unmarshal(secret.Data[SecretDataKey], config); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal secret data: %s", err)
+	}
+	return config, nil
+}