Implement issue #7176 (auto size font) in Xamarin.Forms

Summary

This tech stream session is a follow-up to a previous session where the streamer attempted to implement automatic font resizing in the Exam.Forms repository. The practical takeaway is a demonstration of how to contribute to Exam.Forms by mapping an uncovered API property, specifically for label autosize functionality. The streamer aims to help others contribute to Exam.Forms and improve the library.