wsdl.yml in bing-ads-0.1.3

- old
+ new

@@ -1,6 +1,8 @@
 sandbox:
+  customer_management: https://clientcenter.api.sandbox.bingads.microsoft.com/Api/CustomerManagement/v11/CustomerManagementService.svc?singleWsdl
   campaign_management: "https://campaign.api.sandbox.bingads.microsoft.com/Api/Advertiser/CampaignManagement/V11/CampaignManagementService.svc?singleWsdl"
   reporting: "https://api.sandbox.bingads.microsoft.com/Api/Advertiser/Reporting/V11/ReportingService.svc?singleWsdl"
 production:
+  customer_management: https://clientcenter.api.bingads.microsoft.com/Api/CustomerManagement/v11/CustomerManagementService.svc?singleWsdl
   campaign_management: "https://campaign.api.bingads.microsoft.com/Api/Advertiser/CampaignManagement/V11/CampaignManagementService.svc?singleWsdl"
   reporting: "https://api.bingads.microsoft.com/Api/Advertiser/Reporting/V11/ReportingService.svc?singleWsdl"