add TLDExtract

Podfile

@@ -16,6 +16,7 @@ def pods
 	pod 'QAKit'
   pod 'AppAuth'
   pod 'GTMAppAuth'
+  pod 'TLDExtract'
   pod 'Travellib', :git => "https://git.imp.fu-berlin.de/jakobsbode/travellib.git", :branch => 'master'
 end