Updating doc with upcoming breaking changes

Author: panchagnula

src/ResourceManager/Websites/documentation/upcoming-breaking-changes.md

@@ -26,6 +26,22 @@
 -->
 
 # Upcoming Breaking Changes
+
+## Release 6.0.0 - Nov 2018
+The following properties were affected by this release:
+
+**SnapshotInfo**
+- The snapshotInfo property on the Site object is deprecated and will be removed.
+
+**AppServicePlanName**
+- The AppServicePlanName property on the AppServicePlan object is deprecated and will be removed.
+
+**GeoRegion**
+- The GeoRegion property on the Certificate object is deprecared and wil be removed.
+
+**IgnoreQuotas**
+- The IgnoreQuotas property on the CloningInfo object is deprecated and will be removed.
+
 ## Release 6.0.0 - May 2018
 
 The following cmdlets were affected by this release: