Add activation check (#81)

Author: 9mm

lib/cloudflare/zones.rb

@@ -52,6 +52,10 @@ def purge_cache(**options)
 			self.class.post(@resource.with(path: "purge_cache"), options)
 		end
 
+		def activation_check
+			self.class.put(@resource.with(path: "activation_check"))
+		end
+
 		def name
 			result[:name]
 		end