added create api key (#129)

* Add CreateAPIKey method

client/api_key.go

@@ -5,11 +5,36 @@ package client
 
 import (
 	"fmt"
+	"time"
 
 	clientv1 "github.com/spectrocloud/palette-sdk-go/api/client/v1"
 	"github.com/spectrocloud/palette-sdk-go/api/models"
 )
 
+// CreateAPIKey creates a new API key for the tenant
+func (h *V1Client) CreateAPIKey(name string, annotations map[string]string, expiry time.Duration) (string, error) {
+	tenantUID, err := h.GetTenantUID()
+	if err != nil {
+		return "", fmt.Errorf("failed to get tenant UID: %w", err)
+	}
+	body := &models.V1APIKeyEntity{
+		Metadata: &models.V1ObjectMeta{
+			Name:        name,
+			Annotations: annotations,
+		},
+		Spec: &models.V1APIKeySpecEntity{
+			UserUID: tenantUID,
+			Expiry:  models.V1Time(time.Now().Add(expiry)),
+		},
+	}
+	params := clientv1.NewV1APIKeysCreateParams().WithBody(body)
+	resp, err := h.Client.V1APIKeysCreate(params)
+	if err != nil {
+		return "", fmt.Errorf("failed to create API key: %w", err)
+	}
+	return resp.Payload.APIKey, nil
+}
+
 // GetAPIKeys retrieves all API Keys.
 func (h *V1Client) GetAPIKeys() (*models.V1APIKeys, error) {
 	params := clientv1.NewV1APIKeysListParams()