Changes

# [https://www.answertopia.com/android-studio/an-android-studio-java-fragment-example/ Using Fragments in Android Studio - An Example]<br><br>

# [https://www.answertopia.com/android-studio/modern-android-app-architecture-with-jetpack/ Modern Android App Architecture with Jetpack]<br><br>

# [[An Android Jetpack LiveData Tutorial]]<br><br>

# [[An Overview of Android Jetpack Data Binding]]<br><br>