Added old searchs and caching translations
Hello,
I have added a new page in order to show old translations and I have added caching of results on session in order to avoid to Request the translation again (avoid cost on Azure for same requests on the same session). In addition, I have added logic on result translation in order to reuse the same page for live and old translations. I have attached two screensthot, one the last searchs and how to see the old translation.
About the thoughs of cognitive services, I like them and I'm using a few them on my personal projects. They are easy to use. About Xamarin forms, I have learnt new way to build app, and I'm developing with MVVM pattern but I like the pattern that you have used on this sample. Each day I learn something new of Xamarin!
And I don't have problems to extend or test the app. It has been easy to do.
Happy coding!

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