Add description to custom endpoint

Author: Yago Carlos Fernandez Gou

stackit/provider.go

@@ -201,6 +201,7 @@ func (p *Provider) Schema(_ context.Context, _ provider.SchemaRequest, resp *pro
 		"edgecloud_custom_endpoint":          "Custom endpoint for the Edge Cloud service",
 		"git_custom_endpoint":                "Custom endpoint for the Git service",
 		"iaas_custom_endpoint":               "Custom endpoint for the IaaS service",
+		"intake_custom_endpoint":             "Custom endpoint for the Intake service",
 		"kms_custom_endpoint":                "Custom endpoint for the KMS service",
 		"mongodbflex_custom_endpoint":        "Custom endpoint for the MongoDB Flex service",
 		"modelserving_custom_endpoint":       "Custom endpoint for the AI Model Serving service",