Use default serif (Noto) for visual mode and monospace font for source mode in the example app

Author: maxme

app/src/main/res/layout/activity_main.xml

@@ -36,6 +36,7 @@
                 android:paddingTop="16dp"
                 android:scrollbars="vertical"
                 android:imeOptions="flagNoExtractUi"
+                android:fontFamily="serif"
                 aztec:historyEnable="true"
                 aztec:historySize="10"/>
 
@@ -55,6 +56,7 @@
                 android:textSize="14sp"
                 android:visibility="gone"
                 android:imeOptions="flagNoExtractUi"
+                android:fontFamily="monospace"
                 aztec:codeBackgroundColor="@android:color/transparent"
                 aztec:codeTextColor="@android:color/white"/>