Added some Zone features

Extensions/Cloudflare.Zones/README.md

@@ -4,13 +4,34 @@ With this extension package, you'll get all features available to manage a Zone
 
 ## Methods
 
+### Zone
+
 - [ListZones](https://developers.cloudflare.com/api/operations/zones-get)
-- [ZoneDetails](https://developers.cloudflare.com/api/operations/zones-0-get)
 - [CreateZone](https://developers.cloudflare.com/api/operations/zones-post)
 - [DeleteZone](https://developers.cloudflare.com/api/operations/zones-0-delete)
+- [ZoneDetails](https://developers.cloudflare.com/api/operations/zones-0-get)
 - [EditZone](https://developers.cloudflare.com/api/operations/zones-0-patch)
+- [RerunActivationCheck](https://developers.cloudflare.com/api/operations/put-zones-zone_id-activation_check)
+- [PurgeCachedContent](https://developers.cloudflare.com/api/operations/zone-purge)
+
+
+### Zone Holds
+
+- [DeleteZoneHold](https://developers.cloudflare.com/api/operations/zones-0-hold-delete)
+- [GetZoneHold](https://developers.cloudflare.com/api/operations/zones-0-hold-get)
+- [CreateZoneHold](https://developers.cloudflare.com/api/operations/zones-0-hold-post)
+
+
+### DNS Settings for a Zone
+
 - TBD
 
+
+### DNS Records for a Zone
+
+- TBD
+
+
 ---
 
 Published under MIT License (see [choose a license])